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Summer leaves are green because they are full of chlorophyll, the molecule that captures sunlight converts that energy into new building materials for the tree.

夏天的树叶是绿色的，因为它们富含叶绿素，这种捕捉阳光的分子可以将这些能量转化为新的树木生长材料。

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He says the suicide molecule halted and even reduced rheumatoid arthritis in seventy-five percent of the mice in the study.

VOA: special.2010.05.19

And in this case, the tie-breaker goes to the molecule in which the negative charge is on the most electronegative atom.

而在这种情况下，我们需要进行“附加赛“,也就是看看分子中带有负的,形式电荷的原子是不是电负性最高的。

麻省理工公开课 - 化学原理课程节选

So if we add them all up, there should be no net charge on the molecule, if the molecule is neutral.

因此如果我们把它们都加起来，这个分子上应该没有净电荷，如果这个分子是中性的话。

麻省理工公开课 - 化学原理课程节选

But how much do we really know about the molecule that makes life possible?

FORBES: The Story Of Eau

He's working on devices powered by ATP, the molecule that energizes every living cell.

FORBES: Breakthroughs

At any given position along the molecule, one of these letters must be present.

ECONOMIST: How (and why) to find a needle in a haystack | The