Demographers
(demographer 的复数) n. 人口统计学家
🗣️ 情景例句
5, 6, 7, go right, 1, 2, back, 5 6 7
向右 1 2 后退
There are 16 participants here today.
今天有16位参会者。
My shoe has been pressing against my foot, so it hurts a bit.
我的鞋一直挤着脚，所以脚有点疼。