Ferrazite
钡铅磷矿
🗣️ 情景例句
And how was your day, Susan?
那你今天过得怎么样， Susan？
This pencil is longer than that one.
这支铅笔比那一个长。
In a long drop, they reach speeds of 60 miles an hour and more.
在一个长长的跌落过程中，它们可以达到每小时60里甚至更快的速度。