Subpopulation
n. (从其他人口分出或构成总人口的)分组人口
🗣️ 情景例句
Without coffee I could never get up in the morning.
不喝咖啡我早上起不来。
The milkman hopes the cows have plenty of milk every morning.
挤牛奶的人希望每天清晨都能得到大量牛奶。
This time, the policeman lost his temper.
这一次警察火了。