Calciferrite
钙磷铁矿
🗣️ 情景例句
He has a big sales office in Los Angeles,
他在Los Angeles有一个大的销售办事处，
The busiest men find (or have) the most leisure (or time).
最忙的人时间最多。
We'll leave some evenings free,that is,if it is all right with you.
如果你们愿意的话，我们想留几个晚上供你们自由支配。