Dinitrofluorobene
二硝基氟苯
??? 情景例句
Oh, Grandpa will be so pleased that you're wearing them.
噢 ，戴了它， 祖父一定會非常高興。
Hello. Can I see Mr. Green?
你好，我能見格林先生嗎？
I don't like to be late. We begin classes at 8:00.
我不喜歡遲到。我們八點上課。