Epilithic
a. 长在石头上的
🗣️ 情景例句
What's your name?
你叫什么名字？
The gangsters are planning a robbery.
一伙强盗在计划抢劫。
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）