🧩 词语组成解析
custody
['kʌstədi]
n. 监管;拘留，羁押;抚养权，监护权;
🗣️ 情景例句
Go for the first prize! i know you are good enough.
争取拿头奖，我知道你行。
I ate ham for breakfast yesterday.
我昨天早饭吃的是火腿。
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。