Subpopulation
n. (从其他人口分出或构成总人口的)分组人口
🗣️ 情景例句
We feel this is a super place to live.
我们觉得住在这里真是好极了。
It's a small world.
世界真小！
Dad, this box is too heavy. We can't carry it.
爸爸，这个箱子太重了，我搬不动。