Tacit collusion
[经] 暗地串通
🧩 词语组成解析
🗣️ 情景例句
She liked Pete, and they went to dances together.
她喜欢Pete， 他们也一起去跳舞。
Today is my birthday.
今天是我的生日。
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。