通过观察存在于极端环境下的生物，研究人员发现液态水只能在有限范围内的温度和压力下供生物使用这些发现会让科学家对外太空生命的搜寻集中到太阳系来。 莱恩威弗说：“我们猜想在地球上找到的这些限制条件是限制所有以水为支撑的生命的基础。”

After compiling observations of life in extreme environments, the researchers found that liquid water in only a limited range of temperatures and pressures can support life.

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作为一种以巨大的经济力量为支撑的建筑物，摩天大楼常被民众和政客视为展示经济繁荣、社会进步的标志。

Skyscrapers, which are propped by a powerful economy, are usually regarded by the public and politicians as a symbol of economic prosperity and social progress.

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作为一种以巨大的经济力量为支撑的建筑物，摩天大楼常被民众和政客视为展示经济繁荣、社会进步的标志。

The skyscraper, a kind of building underpinned by mighty economy, is often labeled by the public and politicians as a token of economic prosperity and social progress.

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