Heparan sulphate is not a protein. It is, rather, a sulphur-rich sugar-like molecule of a sort often involved in glycosylation.

硫酸乙酰肝素并不是一种蛋白质，在某种程度上它只是经常参于糖基化的一种富硫的、类糖的分子。

youdao

If you look at a diagram of that molecule, it looks just like an estrogen molecule.

如果察看它的分子结构图，看起来就和雌激素的分子一样。

youdao

Spitzer detected a prebiotic molecule, called hydrogen cyanide, in the disks around yellow stars like our sun, but found none around cooler, less massive, reddish stars.

斯皮策探测到在和我们太阳类似的黄色恒星周围的尘埃盘中有一种原始生命分子-氰化氢，但在更冷的、质量更少的微红色恒星周围却没有。

youdao

When the skin samples were heated to 48 degrees, they produced this capsaicin-like molecule into a solution.

VOA: standard.2010.05.04

And then linked to the glycerol instead of a third fatty acid chain is a water soluble molecule, like a salt.

但连到甘油上的第三个基团不是脂肪酸链,而是一种水溶性的分子,像盐一样

耶鲁公开课 - 生物医学工程探索课程节选

You have a molecule where we put the carbon in the center, and we go up like this, like this, and out the back.

你有一个分子,我们把碳放在中间，现在我们得到了。

麻省理工公开课 - 固态化学导论课程节选

Among the new approaches is a cocaine-like molecule now in clinical safety trials from Neurosearch, a Copenhagen-based biotechnology firm.

ECONOMIST: New drugs for old habits

But it's way more than what it costs to copy a simple molecule like the one in Zocor or Zantac.

FORBES: Magazine Article

GM--its market share dropping like a heavy molecule, its bonds near junk, its vehicles piling up in dealer lots-is making its single biggest research bet on developing a hydrogen-powered car.

FORBES: Magazine Article