Pyroarsenate
焦砷酸盐
🗣️ 情景例句
I think you should call Rita Mae right now.
我想你现在就打电话给Rita Mae。
Let difficulties occur but not the loss of courage.
纵使困难重重，也不丧失勇气。
The order number wasn't anywhere on any of the boxes.
所有的条子都没打上订货号码啊！