音标:['læktәus] ;
n. 乳糖
[化] 乳糖
n. a sugar comprising one glucose molecule linked to a galactose molecule; occurs only in milk

词性分布:
名词100%

lactose的用法和样例:

例句

用作名词(n.)
  1. Lactose gives glucose and galactose.乳糖产生葡萄糖和半乳糖。
  2. Lactose is the main carbohydrate occurring in milk.乳糖是乳的主要碳水化合物。

词汇搭配

  • lactose tolerance test乳糖耐量试验...
  • hereditary lactose intolerance遗传性乳糖不耐受症...
  • beef broth lactose agar牛肉汤乳糖琼脂...
  • brilliant green lactose broth亮绿乳糖肉汤(培养基...
  • lactose intolerance乳糖不耐受
  • beef lactose agar牛肉膏乳糖琼脂...
  • fucosyl lactose墨角藻糖基乳糖...
  • congenital lactose intolerance先天性乳糖不耐症...
  • lactose-litmus gelatin乳糖石蕊明胶...
  • beta lactose[医] β-乳糖
【近义词】

Sara needed to see the doctor. She had an upset stomach. She felt bloated, and needed to pass gas every minute or so. This was terrible. She couldnt go anywhere in public. Her friends told her it was because she had moved to America. The air, water,

发表于:2018-12-06 / 阅读(78) / 评论(0) 分类 365个英语简短小故事

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The ability to digest milk as adults, and as infants, actually, is due to the expression of an enzyme called lactase. That's the University of Pennsylvania's Sarah Tishk

发表于:2018-12-24 / 阅读(67) / 评论(0) 分类 Scientific American(二)月

This is Scientific American 60 Seconds. I'm Cynthia Graber. This'll just take a minute. In Europe and the near east, people went from being mobile hunter gathers to more settled agriculture way of life. But in Africa, no matters domesticated animals

发表于:2018-12-24 / 阅读(89) / 评论(0) 分类 Scientific American(六)月

At the same time, methanogens can use hydrogen and carbon dioxide produced by other bacteria to generate methane, 同时,产甲烷菌可以使用其他细菌产出的氢和二氧化碳以生成甲烷, which can reduce the total volume of gas by u

发表于:2019-01-17 / 阅读(84) / 评论(0) 分类 TED演讲教育篇

you shouldnt quit drinking milk. It is a good source of calcium after all.what you should do is stop consuming dairy on an empty stomach period. On an empty stomach, dairy moves faster through your intestines and is more likely to cause you intoleran

发表于:2019-01-26 / 阅读(60) / 评论(0) 分类 英语听力文摘 English Digest
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