We want to become environmental small guards together to create a clean society.

我们要成为环保小卫士，共同创建一个干净社会。因为我们只有一个地球。

youdao

A flashing set of healthy and clean, regular 'pearly whites' was a rare sight in Victorian society, the preserve of the super-rich (and even then, dental hygiene was not guaranteed).

在维多利亚时代，一副闪闪发亮的健康、干净、整齐的“珍珠白”牙齿是非常罕见的，只有超级富豪才能拥有（即便如此，在那个时代，口腔卫生无法得到保证）。

youdao

We have forgotten that clean drinking water is a gift, an amazing feat, and a vital component to our health and well being, not just as individuals but as a society.

我们早已忘记清洁的饮用水是礼物，是创举，并且也是个人和社会健康福荫的要旨所在。

youdao

The groups are Friends of the Earth, the Aviation Environment Federation, the National Society for Clean Air, and the Heathrow Association for the Control of Aircraft Noise.

BBC: Pollution warning on holiday flights

The report, commissioned by the Canterbury Society and Canterbury 4 Clean Air, has been been presented to the city council.

BBC: Canterbury car park scrapping plans opposed

Given the weight of the opposition's gains, which also include a bigger presence in state assemblies, there are already those in the National Front coalition who argue that without real efforts to clean up government and create a more equitable society, the next election will be lost.

WSJ: Michael Vatikiotis: Seeds of Change in Kuala Lumpur