Leonids
狮子座流星群
🗣️ 情景例句
I heard through the grapevine that the minister is going to resign.
我听到小道消息，首相将辞职。
Speech is the picture of the mind.
言为心声。
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。