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单词
LED
释义
LED
\ˌel(ˌ)ēˈdē, ˈled\
noun
(
-s
)
Etymology:
l
ight-
e
mitting
d
iode
:
a semiconductor diode that emits light when a voltage is applied to it and that is usually used in an electronic display (as for a pocket calculator or a digital watch)
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更新时间:2025/11/26 5:37:46