1. "ly" in "kindly" is a suffixal ending that changes the adjective "kind" into an adverb.
“kindly”中的“ly”是一个后缀结尾，将形容词“kind”变成了副词。

2. The suffixal form "-able" is used to create adjectives that indicate the possibility or capability of something.
词缀形式“-able”用于创建表示某事物可能性或能力的形容词。