Constant area
[计] 常数区
🧩 词语组成解析
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
There you go.
东西来了。
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
If no accidents occur on the way, like punctured tires, diversions of traffic, sudden descent of fog, they will be on time.
要是路上没有发生如爆胎、改道、突然起雾等意外事故，他们决不会迟到。