add to

• In addition, urban migrants add to the supply of labor .
  此外，城市移民还增加了劳动的供应。
• Their tenderness and sorrow must add to her distress .
  她们的爱怜和悲伤一定会加剧她的痛苦。
• When common salt is added to water, the salt is the solute .
  当食盐放在水里时，食盐就是溶质。
• An extra 10 % was added to the restaurant bill for service .
  饭馆帐单上已加了额外10%用于服务。
• Ethyl acetate(71. 41b)was added to the slurry in the vessel .
  把醋酸乙酯714磅加到容器中的浆液内。
• Names are added to the list of particles but not subtracted .
  把名字填加到元素表上，而不是从表上减掉。
• The slug of tracer is added to the stream in an undefined manner .
  示踪剂液滴以不确定的方式注入流注里。
• This mixture of pozzolana and lime was then added to an aggregate .
  人们把火山灰与石灰的混合物加到集料中。
• Edward made no answer, which naturally added to bertha's irritation .
  爱德华没有回答，这更增加了伯莎的恼怒。
• William's appearance had only added to the intensity of his suspense .
  威廉的出现也不过更增加了他心头的渺茫。