Quechumaran
n. (印第安语群的)盖丘马兰语组
🗣️ 情景例句
Would you mind eating out this evening?
你介意今晚上馆子吃饭吗？
We're having some friends over. What are you doing?
我们打算请几位朋友来玩。你打算干什么呢？
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。