双语例句原声例句
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The most important route to produce these unsaturated hydrocarbons is by steam cracking, using principally petroleum gases or naphtha as feedstock.
生产这种不饱和烃类最重要的路线是靠蒸汽裂解，主要以石油气体和石脑油作原料。
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These molecules have "unsaturated" carbon bonds that allow them to be hooked together in long chains, called polymers.
这些分子的“不饱和”碳键可以使它们形成长链，称为聚合物。
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Ironically, these compounds are formed by the reaction of iron with the unsaturated fatty acids that make seafood healthier to eat than red meat.
具有讽刺意味的是，这些化合物是由铁和不饱和脂肪酸反应生成的，而不饱和脂肪酸使得海鲜比红色的肉吃起来更健康。
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And, if you take all of these ideas, omnidirectional and unsaturated, it means that ions can keep glomming on.
如果你注意所有的想法，无方向性和不饱和性，意味着离子能够保持攫取状态。
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