Nonbearingconcrete
非承重混凝土
🗣️ 情景例句
I'm sure Alexandra
我相信Alexandra
I'd like to try on this sweater.
我想试穿这件毛衣。
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。