Ilunga
[地名] [坦桑尼亚] 伊隆加
🗣️ 情景例句
It helps enormously.
这个帮助很大。
My hobby is collecting stones.
我的嗜好是收集石头。
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。