Optical switch
[计] 光开关
🧩 词语组成解析
switch
[swɪtʃ]
n. 开关;转换，转换器;软鞭子;[信]接线台;
vt.& vi. 转变，改变;转换;关闭电流;鞭打;
vt. 转换;挥动（棍棒、鞭子等）;迅速转动;鞭打;
vi. 交换;调换;
🗣️ 情景例句
It's a good investment.
这是一项好投资。
Destroy the lion while he is yet but a whelp.
杀狮应在幼小时。
'Jumbo must weigh a few tons,' said a policeman afterwards, 'so it was fortunate that we didn't have to carry him.
“江伯一定有好几吨重，”一个警察事后这样说，“值得庆幸的是它没让我们抬它走。