Logogram
n. 标记, 简写, 速记用略字
🗣️ 情景例句
They're so thoughtful.
他们真周到。
He didn't care for the taste of the drink.
他不喜欢这饮料的味道。
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。