Cairngorm
n. 烟晶(宝石)
🗣️ 情景例句
It's a loan for a car I'd like to purchase.
我想贷款买辆汽车。
Friendship should not be all on one side.
友谊不该只是单方面的事。
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。