N-heptadecanoic acid
[建] 正十七酸
🧩 词语组成解析
🗣️ 情景例句
You and I are very busy these days.
这些天来我们俩都很忙。
Lend your money and lose your friend.
赔了夫人又折兵。
Yes, I have a small one.
我有一个小的。