Insula
[医] 岛, 脑岛
🗣️ 情景例句
No. No bottle opener.
没有 ，没有开瓶器。
Even the walls have ears.
隔墙有耳。
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。