Involutional
[医] 复旧的, 退化的
🗣️ 情景例句
They come back here for lunch,
他们回到这儿来吃午餐，
Usually,I have a big breakfast.
通常,我吃一顿丰盛的早餐。
A Frenchman, for instance, might find it hard to laugh at a Russian joke.
譬如，法国人听完一则俄国笑话可能很难发笑。