Sicklerite
褐磷锂矿
🗣️ 情景例句
I'll be here when he calls back. Much appreciated.
他打电话时我会在这，太感谢你了！
I want to get cigarettes.
我要买香烟。
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？