Precompaction
预压
🗣️ 情景例句
Thanks so much.
非常感谢。
After dinner sit a while; after supper walk a mile.
午餐之后坐片刻，晚饭之后走一里。
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，