Prl
abbr. periodical 周期的，定期的; pick-resistant lock 防撬锁
🗣️ 情景例句
I've got a million things to do.
我有很多事情要做。
I've got no idea.
我不知道。
A sound made by tapping on the hull of a ship will be reflected from the sea bottom,
敲打船体所发了的声音会从海底传回来，