Pedestrianised
v. 步行（等于pedestrianize）
🗣️ 情景例句
I think
我想，
Congratulations on your success.
恭喜你成功。
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。