Here, this guy looks like kind of an overweight NFL player who hasn't really gotten ready for the drill.
这个家伙像是一位橄榄球运动员,身体超重并且没有充分训练
If you drill down at the level of molecules you see that it's not homogeneous.
如果你深入到分子层面上,你就会发现它是不均匀的。
So, that's the drill. But, again, that's up to you.
这是练习,但是,我告诉你们,这取决于你们。
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