Stereobase unit
[化] 立体异构链节
🧩 词语组成解析
立体基准, 立体基线
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
No charge for the cleanup.
清洗不用付费。
The day is long to him who knows not how to use it.
百无聊赖。
They hurt.
（伤口）疼。