Paplaka
[地名] [拉脱维亚] 帕普拉卡
🗣️ 情景例句
You don't?
你没打？
I've been part of this project since its beginning.
从一开始我就参与这个计划。
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。