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
used for new books
被用来购买新书
When am I supposed to check in?
我应该在什么时候到机场办理手续呢？
Then, her composure regained, she was ready to set off with the porter's assistance to search for nay intruders who might still be lurking in her flat.
此刻老妇人也镇定了下来，准备在看门人的协助下搜寻可能仍躲藏在她房里的窍贼。