Parent population
[计] 母体
🧩 词语组成解析
parent
['pɛərənt]
n. 父亲（或母亲）;先辈;根源，起源;保护者;
🗣️ 情景例句
Without that, it's hard.
没有就难办了。
I'm sorry. I can't make it on Tuesday.
对不起，星期二我无法参加。
the graphic record shows three waves arriving one after the other at short intervals.
曲线纪录就能显示出前后相间的这3种地震波。