Photomodulator
光調(diào)制器
??? 情景例句
I want my daddy!
我要我爸爸！
Where'd you get it?
你在哪里買的？
Just a minute. I'll see if I'm free. No, I'm not. I've already got something on that evening.
等一會。我看看是否有空。不，我沒空。我那天晚上已經(jīng)有了安排。