Adelomycete
半知菌
??? 情景例句
Sorry, I don't quite understand why...
對不起，我不太理解為什么…
I'm sorry to keep on coughing.
我不停地咳嗽，真是抱歉。
How it came about that snakes manufactured poison is a mystery.
蛇是怎樣產生毒液的，這是一個謎。