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
We're promoting you to a senior position effective immediately.
我们将马上给你升职。
When a dog is drowning,every one offers him drink.
待到狗溺水，众人给水喝。
But I'm learning to skate. What's the weather like in Australia?
不过我正在学溜冰。澳大利亚天气怎样？