这对我来说并不容易。
W:哦,看来还不是那么容易找。
这不是轻而易举的工作。
But it is not easy to earn enough money to gain this kind of power.
VOA: special.2010.05.16
It turns out that getting large molecules like this, particularly large charged molecules like nucleic acids, inside of cells is not so easy.
后来证实,将这样的大分子物质,尤其是像核酸这样带有大量电荷的分子,送入细胞不是一件容易的事
it's very easy to know that this is not a student's authentic writing.
所以,很容易辨认出这不是学生自己写的。
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