That's your nice symmetrical double bond that you see in molecules like ethylene.

这是你在乙烯等分子中看的漂亮的对称双键。

And once we have that we can learn all of these things about a molecule such as methane.

旦掌握了这点, 可以了解甲烷等分子的所有这些东西。

Addiction, for instance, not just a condition of failure of willpower, but this understanding about dopamine and other molecules.

例如， 成瘾不仅仅是意志力失败的状况，还涉及对多巴胺等分子的理解。

Like the pH of your pee, the concentration of various compounds, and its levels of certain cells or molecules, such as nitrite.

像尿液的pH值， 各种化合物的浓度，以及亚硝盐等特定细胞或分子的水平。

This ischemia is thought to trigger release of adenosine, bradykinin, and other molecules that stimulate nerve fibers in the myocardium that result in the sensation of pain.

心内膜下缺血被认为启动腺苷、缓激肽等分子的释放，这些分子刺激心肌层神经末梢，导致痛觉产生。

And older telescopes can detect only strong, simple signals of the sort emitted by small molecules like carbon monoxide and hydrogen cyanide, which have two and three atoms respectively.

并且老望远镜只能探氧化碳（双原子）、氢氰化物（三原子）等小分子释放出的强的，简单的信号。

A principal policy initiative of the Hayes administration was civil service reform, promised in the inaugural address and promoted by upper-class intellectuals such as George William Curtis.

海斯政府的项主要政策举措是公务员制度改革，这是在职演说中承诺的，并得了乔治·威廉·柯蒂斯（George William Curtis）等上层知识分子的推动。

Closely related to genetics is molecular biology, which studies the molecular basis of biological activity, such as the structure and function of biomolecules like nucleic acids and proteins.

与遗传学密切相关的还有分子生物学，它研究生物活动的分子基础，比如核和蛋白质等生物大分子的结构和功能。

The LHC's pipes are made of materials like stainless steel that don't release any of their own molecules, and are lined with a special coating to absorb stray gases.

大型强子对撞机的管道由不锈钢等不释放自身分子的材料制成，并内衬特殊涂层以吸收杂散气体。