Intrapopulation
a. 人口内部的,居民内的, 人口成员之间的,居民间发生的
🗣️ 情景例句
Why was she working anyway? She's rich.
真弄不懂她当初为什么要工作。她是有钱人呀。
By doing we learn.
经一事，长一智。
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。