Eroduction
n. 色情电影,黄色下流电影(亦作sexploiter)
🗣️ 情景例句
I don't know. The baby-sitter says she has a stomachache,
我不知道。临时保姆说她肚子疼.
The Spring Festival lasts half a month until the Lantern Festival comes.
春节要持续半个月左右，直到无宵节来为止。
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）