Unipolyaddition
单一加聚作用
🗣️ 情景例句
Do you know where the nearest post office is?
你知道最近的邮局在哪儿吗？
Too much liberty spoils all.
太多的自由破坏了一切。
How it came about that snakes manufactured poison is a mystery.
蛇是怎样产生毒液的，这是一个谜。