Nitrobarite
[化] 钡硝石
🗣️ 情景例句
I remember.
我记起来了。
If I wanted to rent a van, how much would it cost?
要是我租一辆搬运车，得花多少钱？
How long did it take you to accomplish this complicated job?
你花了多久才作完这复杂的活儿？