Wittite
硫硒铅铋矿
🗣️ 情景例句
Here you are. You can keep the change.
给你。零钱不用找了。
My fever is gone,but I still have a cough.
我的发烧好了，但是我仍然患咳嗽。
We're going to leave at about seven thirty next Monday morning.
我们打算下星期一早上7：30 左右出发。