When our Sun later became hotter, the continued removal of atmospheric carbon dioxide and methane by early bacteria kept Earth's climate from becoming too hot to sustain life.

当我们的太阳后来温度变得更高时，早期细菌持续清除大气中的二氧化碳和甲烷，使地球的气候不至于变得太热而无法维持生命的存在。

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They sustain themselves on food given by the villagers, plus a share of the annual rice harvest.

他们用村民给的食物加上每年大米丰收时候的一份粮食来维持生活。

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American diplomats have already moved to sustain momentum by arranging for parallel talks between the two sides.

美国的外交官们已经着手安排他们双方之间的平行谈判，以维持这种势头。

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Our second priority is to sustain lives by ensuring adequate food, water, shelter and medical supplies for survivors and dedicated citizens -- or dislocated citizens.

CNN: Bush: 'First priority is to save lives'

However, he noted that the fundamental U.S. and Iraqi interests and goals "enshrined" in the partnership will be goals that will be seen as "significant" and "important to sustain" by future administrations.

CNN: Iraq no 'platform' for attacks elsewhere, U.S. envoy says

They can try to compensate by easing credit standards, effectively encouraging the non-rich to sustain purchasing power by borrowing.

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