Pleophagy
多食性
🗣️ 情景例句
The leader takes the first ten cards
指挥拿出上面的十张牌，
What's the big deal?
这有什么大不了的？
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。