Rds
abbr. 远程数据服务（Remote Data Services）；呼吸窘迫综合征（respiratory distress syndrome）；广播数据系统（Radio Data System）；关系数据系统（Relation Data System）
🗣️ 情景例句
We're out of toilet paper again. Let's buy some more rolls.
咱们又没卫生纸了。再多买几卷吧。
That's very nice of you, but I really can't.
谢谢你的好意，但是我实在不能再呆了。
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。