Vendor inspection
[化] 卖主检查
🧩 词语组成解析
🗣️ 情景例句
You don't sound very enthusiastic.
你似乎不太热衷。
The devil lurks behind the cross.
貌善实恶。
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。