LED 音标拼音: [l'ɛd]
vbl .
lead 的过去式和过去分词
lead 的过去式和过去分词
led 发光二极体
led 发光二极体
LED n 1 :
diode such that light emitted at a p -
n junction is proportional to the bias current ;
color depends on the material used [
synonym : {
light -
emitting diode }, {
LED }]
Lead \
Lead \ (
l [=
e ]
d ),
v .
t . [
imp . &
p .
p . {
Led } (
l [
e ^]
d );
p .
pr .
&
vb .
n . {
Leading }.] [
OE .
leden ,
AS .
l [=
ae ]
dan (
akin to OS .
l [=
e ]
dian ,
D .
leiden ,
G .
leiten ,
Icel .
le [
imac ][
eth ]
a ,
Sw .
leda ,
Dan .
lede ),
properly a causative fr .
AS .
li [
eth ]
an to go ;
akin to OHG .
l [
imac ]
dan ,
Icel .
l [
imac ][
eth ]
a ,
Goth .
lei [
thorn ]
an (
in comp .).
Cf . {
Lode }, {
Loath }.]
1 .
To guide or conduct with the hand ,
or by means of some physical contact or connection ;
as ,
a father leads a child ;
a jockey leads a horse with a halter ;
a dog leads a blind man .
[
1913 Webster ]
If a blind man lead a blind man ,
both fall down in the ditch . --
Wyclif (
Matt .
xv .
14 .)
[
1913 Webster ]
They thrust him out of the city ,
and led him unto the brow of the hill . --
Luke iv .
29 .
[
1913 Webster ]
In thy right hand lead with thee The mountain nymph ,
sweet Liberty . --
Milton .
[
1913 Webster ]
2 .
To guide or conduct in a certain course ,
or to a certain place or end ,
by making the way known ;
to show the way ,
esp .
by going with or going in advance of .
Hence ,
figuratively :
To direct ;
to counsel ;
to instruct ;
as ,
to lead a traveler ;
to lead a pupil .
[
1913 Webster ]
The Lord went before them by day in a pillar of a cloud ,
to lead them the way . --
Ex .
xiii .
21 .
[
1913 Webster ]
He leadeth me beside the still waters . --
Ps .
xxiii .
2 .
[
1913 Webster ]
This thought might lead me through the world '
s vain mask .
Content ,
though blind ,
had I no better guide .
--
Milton .
[
1913 Webster ]
3 .
To conduct or direct with authority ;
to have direction or charge of ;
as ,
to lead an army ,
an exploring party ,
or a search ;
to lead a political party .
[
1913 Webster ]
Christ took not upon him flesh and blood that he might conquer and rule nations ,
lead armies ,
or possess places . --
South .
[
1913 Webster ]
4 .
To go or to be in advance of ;
to precede ;
hence ,
to be foremost or chief among ;
as ,
the big sloop led the fleet of yachts ;
the Guards led the attack ;
Demosthenes leads the orators of all ages .
[
1913 Webster ]
As Hesperus ,
that leads the sun his way . --
Fairfax .
[
1913 Webster ]
And lo !
Ben Adhem '
s name led all the rest . --
Leigh Hunt .
[
1913 Webster ]
5 .
To draw or direct by influence ,
whether good or bad ;
to prevail on ;
to induce ;
to entice ;
to allure ;
as ,
to lead one to espouse a righteous cause .
[
1913 Webster ]
He was driven by the necessities of the times ,
more than led by his own disposition ,
to any rigor of actions . --
Eikon Basilike .
[
1913 Webster ]
Silly women ,
laden with sins ,
led away by divers lusts . --
2 Tim .
iii .
6 (
Rev .
Ver .).
[
1913 Webster ]
6 .
To guide or conduct one '
s self in ,
through ,
or along (
a certain course );
hence ,
to proceed in the way of ;
to follow the path or course of ;
to pass ;
to spend .
Also ,
to cause (
one )
to proceed or follow in (
a certain course ).
[
1913 Webster ]
That we may lead a quiet and peaceable life . --
1 Tim .
ii .
2 .
[
1913 Webster ]
Nor thou with shadowed hint confuse A life that leads melodious days . --
Tennyson .
[
1913 Webster ]
You remember . . .
the life he used to lead his wife and daughter . --
Dickens .
[
1913 Webster ]
7 . (
Cards &
Dominoes )
To begin a game ,
round ,
or trick ,
with ;
as ,
to lead trumps ;
the double five was led .
[
1913 Webster ]
{
To lead astray },
to guide in a wrong way ,
or into error ;
to seduce from truth or rectitude .
{
To lead captive },
to carry or bring into captivity .
{
To lead the way },
to show the way by going in front ;
to act as guide . --
Goldsmith .
[
1913 Webster ]
Led \
Led \ (
l [
e ^]
d ),
imp . &
p .
p .
of {
Lead }.
[
1913 Webster ]
{
Led captain }.
An obsequious follower or attendant . [
Obs .]
--
Swift .
{
Led horse },
a sumpter horse ,
or a spare horse ,
that is led along .
[
1913 Webster ]
Leden
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