The drop-in firms are starting to come out of the laboratory, float themselves on the stockmarket, team up with oil companies and build their first factories.

完全替代性生物燃料公司已经开始走出实验室，走进证券交易市场并石油公司合作建立第一批工厂。

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Oil will float on water.

油会浮在水上。

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Oil spills float on the water like lily pads.

泄漏的石油漂浮在水面，就像百合花的浮叶。

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After the dollar began to float in 1971, both oil and gold soared.

FORBES: Oil Spikes, Double Dips And Dilapidated Dollars

Tiny particles of silver are coated with organic molecules so that they float, and are then added to silicone oil.

ECONOMIST: Mirror, mirror