Positional isomer
[机] 位置异构物
🧩 词语组成解析
a. 位置的, 地位的
n. 异构体\\n[化] 异构体
🗣️ 情景例句
But when do they do it?
但是什么时候动手术？
As the old cock crows, so doth the young.
有其父必有其子。
The police were astounded when Mrs.Ramsay told them what she had done.
拉姆齐太太把她所做的事告诉了警察，警察听后大为吃惊。