Ethiodide
乙碘化合物
🗣️ 情景例句
I want to take a few days off just for relaxation.
我想请几天假放松放松。
How can you deny the facts?
你怎么能否定事实呢？
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）