Amidocarbonic acid
[化] 氨基甲酸
🧩 词语组成解析
🗣️ 情景例句
A clip-on?
用夹上去的？
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。
Suddenly she asked her father why he kept so many old newspapers locked away there,
她突然问父亲为什么把这么多的旧报纸锁在柜子里，