化合的英文：
chemical combination

参考例句：
  • Some metals, such as gold, are found in their native state---that is, uncombined with other dements.
    有些金属，如黄金，是以天然状态存在的，即不与其他元素化合。
  • In proteins,atoms of nitrogen are combined with carbon, hydrogen and oxygen atoms.
    在蛋自质中，氮原子与碳、氢、氧原子相化合。
  • Carbonation is the combination of carbonate or bicarbonate ions with minerals
    碳酸作用是碳酸根离子或重碳酸根离子与矿物的化合作用。
  • To join( two or more substances) to make a single substance,such as a chemical compound;mix.
    使化合使（个或两个以上物质）成为单一的物质，如化学合成；混合。
  • The process by which messenger RNA directs the amino acid sequence of a growing polypeptide during protein synthesis.
    转录核糖核酸信号在蛋白质化合中引导一个正在生成的多肽氨基酸序列的过程
  • Oxide： Any of a large and important class of chemical compounds in which oxygen is combined with another element.
    氧化物:氧与其它元素化合而形成的一大类重要化合物的统称。
  • Of or relating to uranium,especially with valence lower than in comparable uranic compounds.
    (合)铀的铀的或与铀有关的，尤指比同类铀化合物化合价低的
  • "Lead chromate, PbCrO, a yellow pigment often combined with lead sulfate, PbSO, for lighter hues."
    铬黄铬酸铅,PbCrO,一种通常与硫酸铅化合的黄色染料,PbSO,用于浅色颜料.
  • The outcome is a circular clearing, a plaque, in the lawn of confluent bacterial growth
    其结果是在细菌化合生长的菌坪中形成一个环状清除区，亦即溶菌斑。
  • And the coal tar, combined with other substances, has given us more than 200 000 products.
    而煤焦油与其他物质化合起来，已为我们提供了二十多万种产品。
chemical是什么意思：
adj. 化学的；用化学方法制造的
n. 化学制品
  • The chemical beds are provided in duplicate.
    化学吸湿剂是成对设置的。
  • He is a chemical doctor.
    他是一位化学博士。
  • Diamond is chemically allied to coal.
    金刚石与煤在化学上是同类的。
  • A reactor is a container for chemical reaction.
    反应器是进行化学反应的容器。
  • A mining,chemical,etc conglomerate
    矿业、化工等企业集团.
combination是什么意思：
n. 结合体，联合体；团体；联盟；对号密码
  • combination bevel
    组合斜角规
  • Combination folder: A machine combining a knife and buckle folder.
    混合式折纸机:结合刀式折和栅栏式折的折纸机。
  • This combination is named the square of the
    人们把这个组合称作“间隔”的平方。
  • These are created by combining the primary.
    这些颜色通过混合原色形成。
  • It's a transport combine.
    这是运输联合企业。

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