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

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。

youdao

Answer them candidly and matter-of- factly, avoiding sentimentality.

尽量坦率而直接的回答问题，避免掺杂过多情感。

youdao

As is best shown in the equation E=MC2, energy and matter are fundamentally connected.

正如著名的方程式 E=MC2 所示，能量与物质紧密相连。

youdao

To improve clay soils, mix in garden waste or other organic matter and turn the soil deeply in the fall.

VOA: special.2009.03.10

So the reasons for this really enormous shift in plans, and the enormous shift in subject matter, are worth exploring.

弥尔顿的计划变化为何如此之大，他对主题的选择为何有这么大的改变，是值得探究的。

耶鲁公开课 - 弥尔顿课程节选

And the fact of the matter is that rock and roll, which was invented within the lifetime of many of us.

事实上，我们很多人，见证了摇滚的诞生和发展。

普林斯顿公开课 - 人性课程节选

He said that science was entering a period of "unprecedented experimental control" of light and matter.

BBC: NEWS | Science/Nature | Cool clouds turn light to matter

Wearing a blue blazer and open-neck shirt, Armstrong was direct and matter-of-fact, neither pained nor defensive.

NPR: Armstrong Admits Doping: 'I'm A Flawed Character'

The savings that can be realized as a result of the oversight afforded by integrating e-billing and matter management can be profound.

FORBES: Business Intelligence and Legal Matter Management