Population dynamics
[计] 人口动力学
🧩 词语组成解析
dynamics
[dai'næmiks]
n. 动力学、力学;（音乐中的）力度变化;力度强弱法;动态;动力( dynamic的名词复数 );力学;力度;活力;
🗣️ 情景例句
Tonight, it's my treat.
今天晚上， 我来请客。
Serves you right!
自作自受！
By the way, I came into this classroom last Saturday morning, and it was not as clean as usual.
顺便提一句，上星期六上午我来到这个教室时