Fluid population
[法] 流动人口
🧩 词语组成解析
🗣️ 情景例句
He's going up the ladder pretty quickly.
他真是平步青云。
How much does it cost to rent a mid-size car?
租一辆中型汽车要多少钱？
It has 102 storeys and 73 lifts.
有102层楼，有电梯73部。