Hydrohetaerolite
水锌锰矿
🗣️ 情景例句
We were exposed to the latest theories on child care.
我们接触过有关幻儿保育的最新理论。
What kind of quality control do you have?
你们用什么办法来控制质量呢？
It's a friendly competition.
这是一场友谊赛。