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。
Inert gases form clathrate hydrates when dissolved in water, astrict the activity of water molecule, prolong the store of fruits and vegetables.
天然气水合物是由水分子和天然气分子在一定温度和压力下形成的似冰雪状结晶化合物，又称笼形水合物或“可燃冰”。由于形成天然气水合物的气体主要为甲烷，因而也常被称为甲烷水合物。
Gas hydrate is a ice-like crystalline compound, formed by water molecules and natural gas molecules under certain temperature and pressure conditions, also called clathrate hydrate or "fire ice".
一个是气体水合物，这是一种白色的、类似果汁冰糕的混合物，通常由嵌入笼形水结构的甲烷组成。
One is gas hydrates—white, sorbet-like compounds that usually consist of methane molecules trapped in a cage of water.
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