In the unfertilized egg, the substances are inactive and are not distributed homogeneously.

在未受精卵中，这些物质是不活跃的，而且分布不均匀。

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Other links may involve changes in brain temperature and the release of neurotransmitters (substances that transmit nerve impulses.)

另一种联系可能会涉及到大脑温度的变化和神经递质（传递神经冲动的物质）的释放。

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The applied arts are thus bound by the laws of physics, which pertain to both the materials used in their making and the substances and things to be contained, supported, and sheltered.

因此，应用艺术受限于物理定律，而物理定律与所使用的材料、将要容纳、支撑和遮蔽的物质都息息相关。

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They said spices contain substances that kill or slow the growth of dangerous bacteria in food.

VOA: special.2009.05.19

We also, therefore, have no sense that God is imminent in nature or tied to natural substances or phenomena.

我们也不知道自然中神灵将要诞生,或者是与某些自然物质及自然现象有关。

耶鲁公开课 - 旧约导论课程节选

And according to Klawans and others, ritual impurity arises from physical substances and states which are not in themselves sinful.

据克洛文和其他人所说，仪式的不洁是由自身有罪的,物质和状态引起的。

耶鲁公开课 - 旧约导论课程节选

Similarly, researchers from Lund University in Sweden found toxic substances in the air of a smoky room were 120 times higher than in a smoke-free room.

BBC: Image of a smoke filled room

There are no stories about Verlander going on wild drinking sprees or indulging in banned substances.

FORBES: Detroit Tigers Gamble Big With Justin Verlander's $200 Million Contract

Others say it's high in toxic substances -- mercury, dioxins and PCBs -- and should be avoided.

CNN: Seafood benefits outweigh risks, government says