The molecule is most famously found in fatty fish .

这种分子主要储存在鱼类的脂肪中。

The molecule is certainly ubiquitous .

这种分子肯定是普遍存在于细胞体内。

But the dna molecule is passive .

但是dna分子是被动的。

In particular , nicotine is a highly flexible molecule .

尼古丁是一种尤其高活性的分子。

Instead it was a molecule called green fluorescent protein .

其实它是一个被称为绿色荧光蛋白的分子。