Diphenylmethanes
二苯甲烷類
??? 情景例句
I look forward to seeing you and Harry and Michelle.
我等著見 Harry和Michelle。
What is happening over there?
那里發生什么事情？
Hi! You guys keep talking so loudly that I have to speak at the top my voice!
哎！你們一直這樣大聲講話，我都不得不扯著嗓子說話了。