Tranquilite
n. [矿]静海石(美国阿波罗号宇航员从月球带回的一种岩石)
🗣️ 情景例句
during the week--
在本 内
You must be hungry. Shall we get something to eat?
你一定饿了，我们吃点东西好吗？
But I'm worried about his Chinese.He may fall behind the other students when he comes back.
但我担心他的中文。等他回来后，他可能会落到其他同学后面。