Collieite
钙钒磷铅矿
🗣️ 情景例句
The media is amazing these days, we can watch world changing events happen live right in front of our eyes.
现在媒体却实很神奇，我们能亲眼目睹世界上刚发生的事情。
I was thirty on my last birthday.
我在我最后一个生日时30了。
It was necessary, therefore, to invent instruments that neither slumbered nor slept.
因此，有必要发明一种仪器，既不打盹儿，也不睡觉。