Optoelectronics
[计] 光电子学
🗣️ 情景例句
I guess we'll have to exchange it, too.
我想我们还得去换一件。
I hesitate to ask you, but will you lend me some money?
也许我不该问你，你能借我一些钱吗？
What's the matter with him, doctor?
他得了什么病，医生？