Phototransistor
n. 光电晶体管\\n[计] 光电晶体管
🗣️ 情景例句
I guess we'll be seeing Alexandra again.
我想我们不久又将见到Alexandra。
Slow help is no help.
帮忙不及时，等于不帮忙。
There is a chair below the window.
窗户下面有一把椅子。