日常摄入的水、食物和各类能量与输出的污水、固体废物、空气污染物、能源和经过某种转化的物质相匹配。

A daily input of water, food, and energy of various kinds is matched by an output of sewage, solid waste, air pollutants, energy, and materials that have been transformed in some way.

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因此，生态系统以生物及其活动作为媒介，涉及能量和物质的循环、转化和积累。

Ecosystems thus involve the circulation, transformation, and accumulation of energy and matter through the medium of living things and their activities.

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对于将太阳能转化为热能的系统，热能可能以潜热或显热的形式存储在物质中。

For systems transforming solar to thermal energy, the thermal energy may be stored in matter as either latent heat or sensible heat.

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That can be supplied by an antagonist called Aldopa - which is not exactly the same as dopamine, it's slightly different.

这种物质能够由一种拮抗剂,叫做阿多巴转化而来,但它与多巴胺的结构并不完全相同,有一点差别

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One of the enzymes that often gets activated is an enzyme which converts ATP, a small molecule that is inside all of our cells.

在经常被激活的酶中有一种酶,其功能是转化ATP,ATP是一种,存在于所有细胞中的小分子物质

耶鲁公开课 - 生物医学工程探索课程节选