Redid
vbl.再做, 重做(redo的过去式)
🗣️ 情景例句
It's good that you went back.
你回去是对的。
The electrician wears rubber shoes on the job.
电工在工作中穿着绝缘鞋。
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。