It's a diverse environment with water tending to be bluish near the surface and reddish deeper down.

它是一个多样性环境，靠近表面的水趋近蓝色，往下深处是淡红色。

youdao

So, what evidence of a liquid water environment did we find in rock samples taking from the oldest rocks on Earth?

那么，在从地球上最古老的岩石中提取的岩石样本中，我们发现了什么液态水环境的证据呢？

youdao

It can also help to purify the water quality, reduce pollution and improve environment.

荷花还可净化水质、减少污染、改善环境。

youdao

The campaign organizers say the Prophet promoted respect for the environment - encouraging water preservation, for example.

VOA: standard.2010.07.19

It was a benign, water-rich environment for a long period of time.

BBC: Water 'widespread' on early Mars

In her opening address, Ms Bokova stressed the importance to act where needs were most acute, pointing to Africa where over 300 of the 800 million people in the Sub-Saharan region live in a water-scarce environment.

UNESCO: Water cooperation: more urgent than ever

"I wouldn't be surprised as we move uphill that we find a section of the rock, in fact, that was modified in a shallow open-water environment, " said Ray Arvidson, rover deputy principal investigator and a geologist at Washington University in St.

CNN: Mars rovers working overtime