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我们从地下开采的石头承载着4亿年的历史,我们只是暂时的保管者。
The stones we pull from the earth carry 400 million years of history—we're merely temporary stewards.
How wonderful that we have met with a paradox. Now we have some hope of making progress.
Experiments on plant hybridization require the most careful attention and great patience.
怯懦囚禁灵魂,希望还你自由。