Polster
[医]小膨出
🗣️ 情景例句
Talking to the real-estate agent.
与房地产仲介商谈。
Never deter till tomorrow that which you can do today.
今日事须今日毕，切勿拖延到明天。
a trough (the lowest point), a height (the vertical distance from the trough to the crest),
波谷（最低点）、浪高（从波谷到浪峰的垂直距离）