On the one hand, if the body doesn't have enough cholesterol, we would not be able to survive. On the other hand, if the body has too much cholesterol, the excess begins to line the arteries.
一方面,如果身体没有足够的胆固醇,我们将无法生存;另一方面,如果体内胆固醇过多,多余的胆固醇就开始让动脉变厚。
We traveled slowly to save fuel and because we had promised our worried parents that we would not drive fast.
VOA: special.2010.01.30
We would not expect that the mean should be over 160, or in one case, 150, after only 100 days trading, right?
我们本来觉得平均值应该大于160。,或者在一个例子中是150,这是100天之后的?
So we want to have constructive interference to form a bond, where as if we had destructive interference, we would not be forming a bond.
我们需要,相干相长来成键,如果,相干相消了,就不能成键,所以这时候。
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