Break cover
从隐藏处出来
🧩 词语组成解析
break
[breik]
vt. （使）破;打破（纪录）;（常指好天气）突变;开始;
vi. （嗓音）突变;突破;破晓;（价格）突然下跌;
n. 破裂;中间休息;间断;短假;
🗣️ 情景例句
He doesn't want anybody picking him up.
他不愿意让别人接他。
The restaurant was filled,so we decided to go elsewhere.
餐馆塞满了人,因此我们决定到其它地方去。
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。