🧩 词语组成解析
乙醛
[化]一种三分子的缩合物
🗣️ 情景例句
Sure. We've been in business about five years now.
当然。我们创业至今有五年的历史。
I usually read a book to kill time.
我通常用看书来消磨时间。
Why not do a tomato experiment?
干吗不做西红柿实验呢？