Fluid population
[法] 流动人口
🧩 词语组成解析
🗣️ 情景例句
OK.
喂。
Compared to the previous model, our new model is less expensive and easier to use.
与旧型机比较我们的新型价格便宜且更容易操作。
It was no use pretending that I had not seen him, so I waved to him.
若再装作没看见他已是没有用了，我只好向他招手。