At(unit price)
[化] 单价
🗣️ 情景例句
I know. I heard you talking about it
我知道。我听到你们谈论的那件事了，
Lava flowed out of the crater.
喷火口流出了熔岩。
We resolve to get up earlier each morning,
我们决心每天早晨起得早些；