Ethanedithioamide
[机] 红氨酸
🗣️ 情景例句
Now, tell us something about your trip.
好，跟我们说说你的旅行。
Sorry, but I have to go. Peace!
对不起，我必须走了，祝无恙！
Can we put our coats here?
我们可以把衣服放在这吗？