Clawback
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✅ 同义词
🗣️ 情景例句
He doesn't have any family with him.
他没有家人和他在一起。
My grandparents live in the house next door.
我的祖父母住在隔壁的房子里。
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。