Mantles
vt.&vi. 覆盖（mantle的第三人称单数形式）
🗣️ 情景例句
Ah. OK. That's a dollar and thirty cents change.
啊 ，好啦。这是一美元三毛零钱。
I put some photographs in the envelope.
我在信里夹了几张照片。
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。