Hannayite
[矿]水磷铵镁石
🗣️ 情景例句
A large number of American radio stations operate in the red.
许多美国电台亏损经营。
I can't say for certain off-hand.
我还不能马上说定。
At last firemen have put out a big forest fire in California.
消防队员们终于扑灭了加利福尼亚的一场森林大火。