Mehra
n. (Mehra)人名；(印)梅赫拉；(英)梅拉
🗣️ 情景例句
What time do you usually get up in the morning?
你早上通常几点起床？
This is my second year of college, I'm a sophomore.
这是我上大学的第二年，我是二年级学生。
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。