A common suffix in English is "-ly," which often turns adjectives into adverbs.

suffix 是名词，意思是"后缀"，指加在词根或词干后面的字母或字母组合，用于改变词性或词义。 -ly 是一个常见的后缀，加在形容词后面可以构成副词，表示"以...的方式"或"在...程度上"。