Nerka
n. 红大麻哈鱼
🗣️ 情景例句
I have a complaint for you.
我有点不满意的事要跟你谈谈。
He is in conference.
他正在开会。
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）