Diazoethane
重氮乙烷
🗣️ 情景例句
And it makes me feel good that you care about me.
而且， 关心我， 也让我感到很高兴。
This is an identification card.
这是一张身份证。
Come on! shouted everyone, very loudly.
“快！快呀！”每一个人都大声地喊。