Ethanedinitrile
乙烷
🗣️ 情景例句
Just because you major in English, don't think that you will have mastered real English.
不要以为你是英语专业的就能精通“真正”的英语。
Can you spot me?
你能先帮我垫一下吗？
I'm sorry, sir.I can't change a ten-pound note.
对不起，我找不开10英镑的钞票。