They may break into smaller plastic particles that spread widely in the environment.
它们可能会分解成更小的塑料颗粒，在环境中广泛传播。
When nutrients are used over and over in the environment, we call that a nutrient cycle.
当营养物质在环境中被反复使用时，我们称之为营养循环。
It can remain in the environment for many years and pollute large areas of land and water.
它可以在环境中存留多年，并污染大面积的土地和水。
At least some of the material must have retained the signal unaffected by subsequent changes in the environment.
至少有一些材料肯定保留了不受后续环境变化影响的信号。
One key indicator of change in the environment surrounding these prehistoric settlements is the wood that was used there.
这些史前定居点周围环境变化的一个关键指标是当地曾使用的木材。
The recent work has been made possible by new techniques of molecular biology that allow viral DNA to be detected at low concentrations in the environment.
分子生物学的新技术使最近的工作成为可能，这种新技术能在环境中检测到低浓度的病毒DNA。
So we've been talking about nutrients, the elements in the environment that are essential for living organisms to develop, live a healthy life, and reproduce.
所以我们一直在讨论营养，环境中的元素对于生物体的发展，健康的生活和繁殖是必不可少的。
As part of her job, she conducted field research on toxic substances in the environment, often in minority communities located near large industrial polluters.
作为工作的一部分，她对环境中的有毒物质进行了实地研究。这些物质通常来源于大型工业污染源附近的少数民族社区。
"Most experts agree that the changes were related to something in the environment," says social epidemiologist Thomas Glass of The Johns Hopkins Bloomberg School of Public Health.
约翰霍普金斯大学布隆伯格公共卫生学院的社会流行病学家托马斯·格拉斯说：“大多数专家都认为这些变化与环境有关。”
Children experiencing these disorders find it difficult to screen out unimportant information, and focus on everything in the environment rather than attending to a single activity.
患有这些疾病的儿童会感到过滤掉不重要的信息很难，他们专注于环境中的一切，而不仅仅是某一项活动。
According to Janzen, this affects the ability to understand and relate in typical ways to people, understand events and objects in the environment, and understand or respond to sensory stimuli.
根据简森的观点，这会影响人们的理解能力和与人交往的特定方式的能力，还会影响人们理解环境中的事件和物体以及理解或响应感官刺激的能力。
Will animals and plants be able to adapt that quickly to change in the environment?
动物和植物能那么快适应环境的变化吗？
If the dog's hackles are up, gives a low decibel growl, or engages in a predatory, stalking posture, then there is probably a danger in the environment.
如果狗颈部的毛都竖立起来，或是它发出低分贝咆哮，或是呈掠夺、跟踪姿势，那么周围肯定存在危险。
Has anything in the environment changed?
环境中有事物发生改变吗？
They must get used to changes in the environment.
他们必须习惯于环境的改变。
Both control the configuration and options in the environment.
这两者都控制环境中的配置和选项。
In the environment, dioxins tend to accumulate in the food chain.
在环境中，二恶英容易聚积在食物链中。
Dioxins occur as a complex mixture in the environment and in food.
二恶英在环境和食品中以一种复杂的混合物形式出现。
You'll work in the environment you like, with tools you understand.
你将在你喜欢的环境中工作，利用你理解的工具。
I really believe in immersing yourself in the environment of the animal.
我真的相信你可以将自己融入于动物的环境中。
This number can vary based on your attachment usage in the environment.
该数量根据环境使用的附件的不同而变化。
You're not trusting that what you need will be there in the environment.
你不相信你需要的东西会适时出现。
Once dispersed in the environment, it says, cesium-137 “is impossible to avoid.
该结构说，一旦在环境中扩散，铯-137“就是无法避免的。”
Dioxins, furans and metals are persistent and bio-accumulate in the environment.
二恶英、呋喃和金属具有持久性并可在环境中生物累积。
But what about pollution in the environment, and specifically air pollution?
可是你有没有考虑过环境污染的原因，尤其是空气污染。
What does it take to identify and measure dioxins in the environment and food?
如何辨别并测量环境和食品中的二恶英？
We need to consider what has changed in the environment over the past 15 years.
我们需要考虑在过去的15年里环境已经发生里那些变化。
We attach certain stimuli in the environment to certain thoughts and behaviours.
人们把一定环境中的固定刺激与固定的思维和行为联系在了一起。
The bacterium can also live in the environment in brackish rivers and coastal waters.
这种杆菌还可在咸水河流和海岸水域的环境中生存。
But silver can also accumulate in the environment and, at certain levels, prove toxic.
但银同样也会在环境中积累，当其达到一定浓度时将有毒性。
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