Photoelectronics
n. 光电子学
🗣️ 情景例句
Well, I've got to run, Dad.
嗯， 我得赶紧走了， 爸爸。
We shall never have friends if we expect to find them without fault.
指望朋友无缺点，永远休想交朋友。
Shortly afterwards, four more policemen arrived and remonstrated with the workmen.
一会儿工夫，又来了4个警察，规劝工人离开。