Pentadecanoic acid
[化] 十五烷酸
🧩 词语组成解析
🗣️ 情景例句
By the way,
顺便问一声，
A good head and an industrious hand are worth gold in any land.
聪明脑袋勤劳手，走遍天下贵如金。
Why don't you hire a car and drive around for a couple of weeks?
你为什么不租部车四处转上一两个星期呢？