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1·They combine with dust particles from the comet to form a huge cloud.

它们与来自彗星的尘埃颗粒结合在一起，形成了巨大的云团。

2·Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.

两个氢原子和一个氧原子结合组成一个水分子。《牛津词典》

3·Sleeping pills combine with alcohol to produce a sleepy feeling.

酒精加安眠药会让你感到困倦。

4·Black fruit flavors combine with herbaceous brambly flavors.

黑加仑和紫罗兰的芳香混合在一起。

5·When an element is caused to combine with oxygen it is oxidized.

当使一种元素与氧化合时，即称其被氧化。

6·A program that doesn't combine with others isn't a utility; it's an application.

无法与其他实用程序结合使用的程序不是实用程序，而是应用程序。

7·Or they combine with free radicals to form different, more stable compounds.

抗氧化剂还能和自由基结合，形成其他更稳定的化合物。

8·The sugars in these foods combine with the bacteria normally in the mouth to form acids.

在这些食品中的糖通常结合细菌在口腔内产酸。

9·This makes it hard to combine with organic methods (though some researchers are trying).

这样就很难采用有机方法了(尽管研究人士仍在继续尝试)。

10·Because cholesterol can't travel alone through the bloodstream, it has to combine with certain proteins.

胆固醇因为不能单独在血液中移动，所以必须和特定的蛋白质结合。