A rural area
n. 农村地区
🧩 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
When can I do that? I'd be happy to.
我什么时候可以去看 我很乐意做这项工作。
A middle course is the safest.
中庸之道最保险。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。