Complex quantity
[电] 复量
🧩 词语组成解析
🗣️ 情景例句
this weekend?
这个周末？
A friend is never known till a man have need.
不到患难时，永远不能认识真正的朋友。
In those days, boxers fought with bare fists for prize money.
当时，拳击手们不戴手套，为争夺奖金而搏斗。