Undecylic acid
[化] 十一酸; 十一烷酸
🧩 词语组成解析
🗣️ 情景例句
Yes?
真的？
It took him a long time to make up his mind.
下决心花了他很长时间。
You mustn't come home late.You must be home at half past ten.
你不准回家太晚，你必须在10点半到家。