Aleprestic acid
[化] 环戊烯戊酸
🧩 词语组成解析
🗣️ 情景例句
get some background on the job.
了解这项工程的一些背景。
The first blow is half the battle.
头炮打响，等于半个胜仗。
Maybe some folk songs to start with?
先演奏些民歌吗？