Fermorite
锶磷灰石
🗣️ 情景例句
Stop being so moody.
不要这么喜怒无常。
Would you care for a cup of coffee?
你要不要来杯咖啡？
We shall need two buses to meet people at the staton.
我们需要两辆公共汽车到车站去接人。