Monochlorotrifluoromethane
氯三氟甲烷
🗣️ 情景例句
Dear Allen.
亲爱的爱伦。
I will be going to school in a few weeks from now.
我将在几个星期后上学去。
Yes, said Miss Yang.they're on that shelf over there.
“有，”杨小姐说，“就在那边的那个书架上。”