Fefe
象皮病
🗣️ 情景例句
And here he is--Popo the Clown.
这位就是小丑Popo。
Whe angry, count ten before you speak; if very angry, a hundred.
怒时数十再说话，大怒数百方开言。
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）