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
You mature quickly.
这种人成熟得快。
I have to hang up now.
我得挂电话了。
Since then, they have been trying to find out how the fire began.
从那时起，他们一直试图找出起火的原因。