Some villages in the world still suffer from problems such as poor road conditions, shabby toilets, dirty environment, and undeveloped basic public services.

世界上的一些农村仍遭受着很多问题，如糟糕的道路条件，破旧的厕所，肮脏的环境，以及发展不完善的公共基础服务等。

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A dirty environment will attract many cockroaches and it does harm to our health.

你见过蟑螂吗？很多人都不喜欢蟑螂，甚至是害怕它们。

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But the thing is that I can't bear the dirty environment around me, I am very picky about the environment.

但问题是，我不能忍受我周围的环境是脏的，我很挑剔环境。

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"We don't often train to do it in an environment, what we call a dirty environment, where there is a radiological enemy here."

VOA: standard.2010.07.21

He advised that if humans continue to dirty the environment the ecosystem can be disrupted.

UNESCO: SIV Backchat participates in beach clean

At the same time, our environment is too dirty: Studies show that pollution (such as exhaust fumes) can trigger allergic flare-ups.

CNN: Why your allergies are bugging you

Coal is dirty, heavy, difficult to transport and terrible for the environment.

FORBES: Frack Gas Not Likely To Displace King Coal, Study Suggests