Active area
[经] 有效面积
🧩 词语组成解析
active
['æktiv]
adj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
n. [语法]主动语态;积极分子，活跃的人;
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
We're having a good time, and they're in good hands.
我们玩得痛快，他们也得到很好的照顾。
Fat hens lay few eggs.
肥鸡不下蛋。
And now medical care helps to keep people alive longer.
现在的医疗保健使得人们活得更长。