Diarsenite
二亚砷酸盐
🗣️ 情景例句
Did you hear the news?
你听说那条新闻了吗？
Can you tell one from the other?
你能区别哪个是哪个吗？
He prepared the speech carefully and went to the wedding with Jenny.
他认真准备了讲稿，带着珍妮一道去参加了婚礼。