Optoelectronics
[计] 光电子学
🗣️ 情景例句
But I'm sure he has a few bags with him on the train.
不过我相信他在火车上还有几件行李的。
They don't like to work for that man.
他们不想为那个男人工作。
Were there any exciting incidents during your journey?
你们在旅行中有没有什么令人激动的事情？