Fec.
(某某)画, (某某)作
🗣️ 情景例句
Come on, Richard.
过来， Richard。
What are those?
那些是什么？
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）