Involutional
[医] 复旧的, 退化的
🗣️ 情景例句
We'll set up our tents over there by the edge of the woods.
我们在林边搭帐蓬。
That which was bitter to endure may be sweet to remember.
苦楚往日难忍受，记起也许甜心头。
In a few minutes he returned with my bag and gave it back to me.
一会儿工夫他拿着我的提包回来了，把它还给了我。