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o    音标拼音: ['o]
O
n 1: a nonmetallic bivalent element that is normally a colorless
odorless tasteless nonflammable diatomic gas; constitutes
21 percent of the atmosphere by volume; the most abundant
element in the earth's crust [synonym: {oxygen}, {O}, {atomic
number 8}]
2: the 15th letter of the Roman alphabet [synonym: {O}, {o}]
3: the blood group whose red cells carry neither the A nor B
antigens; "people with type O blood are universal donors"
[synonym: {O}, {type O}, {group O}]

O \O\ ([=o]), a. [See {One}.]
One. [Obs.] --Chaucer. "Alle thre but o God." --Piers
Plowman.
[1913 Webster]


O \O\ ([=o]), interj.
An exclamation used in calling or directly addressing a
person or personified object; also, as an emotional or
impassioned exclamation expressing pain, grief, surprise,
desire, fear, etc.
[1913 Webster]

For ever, O Lord, thy word is settled in heaven. --Ps.
cxix. 89.
[1913 Webster]

O how love I thy law ! it is my meditation all the day.
--Ps. cxix.
97.
[1913 Webster]

Note: O is frequently followed by an ellipsis and that, an in
expressing a wish: "O [I wish] that Ishmael might live
before thee!" --Gen. xvii. 18; or in expressions of
surprise, indignation, or regret: "O [it is sad] that
such eyes should e'er meet other object!" --Sheridan
Knowles.
[1913 Webster]

Note: A distinction between the use of O and oh is insisted
upon by some, namely, that O should be used only in
direct address to a person or personified object, and
should never be followed by the exclamation point,
while Oh (or oh) should be used in exclamations where
no direct appeal or address to an object is made, and
may be followed by the exclamation point or not,
according to the nature or construction of the
sentence. Some insist that oh should be used only as an
interjection expressing strong feeling. The form O,
however, is, it seems, the one most commonly employed
for both uses by modern writers and correctors for the
press. "O, I am slain!" --Shak. "O what a fair and
ministering angel!" "O sweet angel !" --Longfellow.
[1913 Webster]

O for a kindling touch from that pure flame!
--Wordsworth.
[1913 Webster]

But she is in her grave, -- and oh
The difference to me! --Wordsworth.
[1913 Webster]

Oh for a lodge in some vast wilderness! --Cowper.
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We should distinguish between the sign of the
vocative and the emotional interjection, writing
O for the former, and oh for the latter. --Earle.
[1913 Webster]

{O dear}, & {O dear me!} [corrupted fr. F. O Dieu! or It. O
Dio! O God! O Dio mio! O my God! --Wyman.], exclamations
expressive of various emotions, but usually promoted by
surprise, consternation, grief, pain, etc.
[1913 Webster]


O \O\ ([=o]), n.; pl. {O's} or {Oes} ([=o]z).
1. The letter O, or its sound. "Mouthing out his hollow oes
and aes." --Tennyson.
[1913 Webster]

2. Something shaped like the letter O; a circle or oval.
"This wooden O [Globe Theater]". --Shak.
[1913 Webster]

3. A cipher; zero. [R.]
[1913 Webster]

Thou art an O without a figure. --Shak.
[1913 Webster]


O \O\ ([=o]).
1. O, the fifteenth letter of the English alphabet, derives
its form, value, and name from the Greek O, through the
Latin. The letter came into the Greek from the
Ph[oe]nician, which possibly derived it ultimately from
the Egyptian. Etymologically, the letter o is most closely
related to a, e, and u; as in E. bone, AS. b[=a]n; E.
stone, AS. st[=a]n; E. broke, AS. brecan to break; E.
bore, AS. beran to bear; E. dove, AS. d[=u]fe; E. toft,
tuft; tone, tune; number, F. nombre.
[1913 Webster] The letter o has several vowel sounds, the
principal of which are its long sound, as in bone, its
short sound, as in nod, and the sounds heard in the words
orb, son, do (feod), and wolf (book). In connection with
the other vowels it forms several digraphs and diphthongs.
See Guide to Pronunciation, [sect][sect] 107-129.
[1913 Webster]

2. Among the ancients, O was a mark of triple time, from the
notion that the ternary, or number 3, is the most perfect
of numbers, and properly expressed by a circle, the most
perfect figure.
[1913 Webster] O was also anciently used to represent 11:
with a dash over it ([=O]), 11,000.
[1913 Webster]


O' \O'\ [Ir. o a descendant.]
A prefix to Irish family names, which signifies grandson or
descendant of, and is a character of dignity; as, O'Neil,
O'Carrol.
[1913 Webster]


O' \O'\ ([=o]; unaccented [-o]), prep.
A shortened form of of or on. "At the turning o' the tide."
--Shak.
[1913 Webster]



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  • grammar - Difference between ò and ó? - Italian Language Stack Exchange
    Everything has been said already, however you ask when you should use ò vs ó vs o (and, I guess, similarly for è vs é etc ) In the case of "o" it's relatively easy: the only case where an accent needs to be written is if it's on the last letter of a word (with exceptions for monosyllables and a few other cases which however we won't go
  • 汉语拼音「o」的正确读音是怎样的? - 知乎
    首先正确读音是国际音标的o。在汉语中最接近的应该是感叹词“哦”。 o读音的争议,是因为汉语普通话音系里,除感叹词外事实上是没有o这个单韵母的。 但是因为bo po mo fo四个音节的存在,又需要把o列为单韵母,所以小学教学可能会把o读成uo作为一种权宜之计。
  • 在美语中,字母 o 的发音规则是怎么样的? - 知乎
    字母o是五个元音字母中发音规则最复杂的一个,我总结了以下十条规则,供参考: (1)重读闭音节发[ɔ]:下面例外情况除外; (2)重读开音节发[əu]:下面例外情况除外;
  • o1、GPT4、GPT4o 这三个有什么区别? - 知乎
    GPT-4o,o代表着omni(全能),体现了OpenAI将大部分模态,统一在Transform框架下,激发模型进行全模态思考的野心。 比如S2S,比传统的TTS,多了声波的维度,你可以从声波的频率中解读出额外的信息。
  • 谁有很全的符号表情呢? - 知乎
    像这些这样的表情。( ̄  ̄)3|| ╮(╯ ╰)╭ ╮(╯_╰)╭ ╮(﹀_﹀ #34;)╭
  • Non sono sicuro a + che o se? - Italian Language Stack Exchange
    «che questa parola sia ben scritta o meno, non lo so» (interrogativa indiretta disgiuntiva) Significativamente, al positivo e con l'indicativo andrebbe bene: «so che questa parola è ben scritta» (oggettiva) Invece al negativo e al tempo passato, puoi dire «non sapevo che questa parola fosse ben scritta (ma adesso lo so)» (oggettiva)
  • congiuntivo o condizionale? - Italian Language Stack Exchange
    o va usato il congiuntivo? RISPOSTA Potrebbe aprire la finestra? Si tratta di un inappuntabile condizionale di cortesia Tale inappuntabile condizionale di cortesia resta inappuntabile anche nell'interrogativa indiretta volevo chiederle se potrebbe aprire la finestra Insomma, il condizionale, in questo caso, va bene
  • Quando si usano egli, ella, esso, essa, essi, esse invece . . .
    Ancor più raro di egli è il corrispondente ella o essa, ché fuor di Toscana ella ha generalmente sapore di letterarietà, ed essa non è riuscito ad imporsi dovunque anche perché già adempie all'ufficio, non condiviso da egli, di designare la cosa inanimata: ciò spiega il successo della variante lei
  • grammar - Quando usare è stato o è stata? - Italian Language Stack . . .
    A differenza del predicato verbale, in questo caso il verbo può concordare o con il soggetto, o con il nome del predicato Perciò, è altrettanto corretto dire "Il dietrofront è stato l'ultima umiliazione", e "Il dietrofront è stata l'ultima umiliazione", le due espressioni sono equivalenti (anche nella frequenza di utilizzo, oserei dire)
  • 能否系统地梳理一下有机化学中的各基团和官能团,还有有机化合物是如何命名的? - 知乎
    有机化学反应主要发生在官能团上,官能团对有机物的性质起决定作用,-x、-oh、-cho、-cooh、-no2、-so3h、-nh2、rco-,这些官能团就决定了有机物中的卤代烃、醇或酚、醛、羧酸、硝基化合物或亚硝酸酯、磺酸类有机物、胺类、酰胺类的化学性质。





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