Hn1
[化] 2,2'-二氯三乙胺
🗣️ 情景例句
You're right, Ellen.
你说得对， Ellen。
I assure you of its quality.
我向你保证它的品质。
Sorry, but could you kindly repeat what you just said?
抱歉，你可以重复刚刚所说的吗？