Plant acid invertase is one of critical enzymes in sucrose metabolism and plays an important role during plant growth and development.

酸性转化酶是蔗糖代谢的关键酶，在植物体中具有重要的生理作用。

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For example, nitrogen can be a fertilizer, but it can stunt plant growth when nitrogen comes out of the air in acid form.

举例来说，氮可以用作化肥，但其一旦以酸的形式离开大气，就会阻碍植物生长。

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Rhubarb is something of a wonder plant -in addition to an unknown poison in its leaves, they also contain a corrosive acid.

大黄是一种很不错的植物——此外它的叶子中含有一种不知名的毒，它们通常含有腐蚀性酸。

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When coffee beans are roasted, the plant compound, chlorogenic acid, is broken down.

NEWYORKER: The Operator

The operators of the plant are also being prosecuted over a leak of concentrated nitric acid on 11 March last year, which injured two employees.

BBC: Sellafield: We're safe

They are exploring plant sites for processing the ore in the United States adjacent to a chemical facility that produces hydrochloric acid.

FORBES: Avalon Rare Metals Announces Shelf Registration