Phosphocalcite
轻斜磷铜矿
🗣️ 情景例句
but if Boswell wins
但是假如Boswell赢了？
If I had known her telephone number, I would have called her.
如果我知道她的电话号码，我就给她打电话了。
I determined to lodge a complaint as soon as we arrived.
我决定到目的地就给铁路部门提意见。