Maclay
[人名] 麦克莱
🗣️ 情景例句
Examinations are at hand.
考试在即。
When the fruit is scarcest, its taste is sweetest.
物以稀为贵。
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。