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
That was very kind of you.
你真周到。
She is very well, thank you.
她很好，谢谢。
but then she decided that at her age it might be more prudent to have someone with her,
但转念一想，像她这个年纪，最好找个人一起去。