Propenzamide
丙水杨胺
🗣️ 情景例句
What a pleasant surprise running into you.
碰见你真是太棒了！
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。
You are John Smith, the engineer,aren't you?
你是工程师约翰。史密斯，对吗？