稀释

• These worms are placed in dilute salt solutions .
  将蚯蚓放在稀释盐溶液中。
• Dilutions are not exactly the same .
  稀释度并不是恰好相同。
• There is no hard and fast rule about dilution .
  至于稀释程度，没有严格的规定。
• Strong acids are often diluted before they are used .
  强酸在使用前常加以稀释。
• You have to water down the medicine before drinking it .
  你得把这种药加水稀释后再服用。
• He attributed this to a dilution effect of the herbicide .
  他把这归因于除草剂的稀释效应。
• The chemical dilution technique transcends most of the difficulties .
  化学稀释法能克服大部分困难。
• It is important to draw a sharp contrast between isolation and dilution .
  把隔离和稀释两者划清界线是重要的。
• This pesticide is diluted with water and applied directly to the fields .
  这种杀虫剂用水稀释后直接施用在田里。
• Water sprays are used to break the foam by dilution and mechanical action .
  采用水喷雾法，通过稀释和机械作用破坏泡沫。