Aniseikania
异像
🗣️ 情景例句
Thank you for seeing me on such short notice.
谢谢您这样快就安排见我。
Is that a book?
那是一本书吗？
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）