Inert gases form clathrate hydrates when dissolved in water, astrict the activity of water molecule, prolong the store of fruits and vegetables.

惰性气体可以在水中形成笼形水合物，限制水分子的活动，延长果蔬的贮存时间。

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Conversely, in looking for the pathological cause of these murals, it is definitely important to closely follow the trail of the activity of water.

反过来，寻找这些壁画的病理学原因，便应该紧紧追踪水的活动。

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They occur primarily in regions of recent volcanic activity as hot, dry rock; natural hot water; or natural steam.

地热能主要以干热的岩石、自然热水或自然蒸汽的形式出现在近期火山活动的区域。

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"Kids really get engaged in science in the garden where it's a kind of fun activity where they're collecting data and seeing how different temperatures will change the amount of water that's needed by a crop, so the science concepts come easily."

VOA: special.2011.06.14

Previous sites explored by the rover are thought to have been shaped by the activity of acidic water, which would pose a more challenging proposition for any simple microbes that might have evolved on the early Mars.

BBC: Opportunity and Curiosity find similar rocks on Mars

At this time of year, the sun rises at around 6:30am, an hour after the first ferries leave the wharf, so there's plenty of activity on the water.

CNN: 24 hours in Sydney: Cocktails, scenic walks ... and sharks?

The project has been carried out during the 2008-2009 and 2009-2010 school years and was aimed at all teachers open to participating in a creative activity on the theme of water and science with their Primary or early Secondary school classes.

UNESCO: Natural Sciences