无可奉告。我什么也不知道。
我什么也不知道。
但如果有人问起,我什么也不知道。
I certainly didn't understand how they even connected really to chemical reactions, much less other disciplines that I was interested in.
它们这么重要,我并不理解这些分子是什么,我也不知道它们。
Now, you think you can make a mistake on your exam, take a look at this up here at tell me what that all is. I have no idea.
你觉得你可以在考试的时候犯错误,看一看这之前写的东西,能告诉我这些是什么,我也不知道。
I don't know what your major is; I don't know what you are going to do later so I picked the topics that all of us in physics find fascinating.
我不知道你们的专业是什么,我也不知道你们今后从事什么工作,因此,我会选择一些,物理学界公认的有趣的内容
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