Nitrobiphenyl
[化] 硝基联苯
🗣️ 情景例句
I've been working too hard. I'm beat.
我工作的太多，我快垮了。
He has a piece of cake.
他有一块蛋糕。
When I asked him what he was doing, he smiled guiltily and then put the parcel on the desk.
当我问他正干什么时，他内疚地笑了，然后把那个大包拿到了桌上。