Light valve
[计] 光阀
🧩 词语组成解析
light
[laɪt]
n. 光;发光体;电灯;点火器;
adj. 轻的;明亮的;浅色的;少量的;
v. 点燃;照亮;用光指引;
adv. 轻地，轻装地;
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
and sometimes there isn't.
有时候没有。
When the tree is fallen, every one runs to it with his axe.
大树一倒下，人人持斧来。
It is harvest time, and all the farmers are very busy.
因是收获季节，所有的农民都很忙。