Acetyl valeryl
[机] 乙酰戊酰
🧩 词语组成解析
n. 乙酰(基)\\n[化] 乙酰; 乙酰基
戊酰
🗣️ 情景例句
The bridge is about three hundred and eighty-five feet long.
桥长约三百八十五英尺。
To hover
盘旋
and to exercise such initiative as falls within their sphere,
在各自的工作范围内发挥主动性，