音标:[juә'riә] ;
n. 尿素
[化] 脲; 尿素
n. the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
词型变化:名词复数形式 : ureas
词性分布:
名词100%

urea的用法和样例:

例句

用作名词(n.)
  1. A kidney also takes urea and mineral salts out of the blood.肾还排出血液中的尿素和无机盐。
  2. Sweat consists of water with small amounts of urea and salts.汗液是由水和少量尿素和盐构成的。

词汇搭配

  • acetylene urea乙炔脲
  • alkyl urea烷基脲
  • urea nitrate硝酸尿素,尿素化硝酸...
  • urea cycle尿素循环
  • urea peroxide过氧化脲
  • butyryl urea丁酰脲
  • urea clearance尿素廓清率,尿素清除...
  • ethylene urea亚乙基脲
  • ethylmercuric urea乙汞脲(杀菌药)...
  • malonyl urea丙二酰脲,巴比土酸...
  • urea resin脲醛树脂,尿素树脂,...
  • urea adduct尿素加合物
  • dibutyl urea二丁脲
  • acetyl urea乙酰脲
  • urea formaldehyde尿素甲醛
  • urea agar尿素琼脂
  • urea herbicide尿素除草剂,尿素类除...
  • urea nitrogen尿素氮,脲氮...
  • butyl urea丁脲
  • benzoyl urea苯甲酰脲
【近义词】

Pet turtles can be unsanitary. But Chinese soft-shelled turtles really up the ante on distasteful behavior. They perform a variation on urinationthrough their mouths. Most land-based vertebrates produce urine to get rid of water-soluble toxic waste,

发表于:2018-12-24 / 阅读(387) / 评论(0) 分类 Scientific American(十)月

Science and technology 科学技术 Reptilian micturition 爬行动物的排尿 That's a relief 可算是方便了 Softshell turtles urinate through their mouths 鳖类通过其嘴部小便 WHY did the turtle stick its head in a bucket? 为什么乌龟

发表于:2019-02-03 / 阅读(359) / 评论(0) 分类 经济学人科技系列

A bureaucrat was hiking when he came upon a shepherd tending a large flock. The bureaucrat took a fancy to the sheep and asked the shepherd, If I can guess how many there are, may I have one? The shepherd thought it unlikely the man would guess the e

发表于:2019-02-07 / 阅读(325) / 评论(0) 分类 趣味英语

今天我们要学的词是bureaucracy。 Bureaucracy, 官僚。美国国防部长盖茨上周末公开对军方庞大的官僚体制提出批评。 Gates took aim at what he called a bloated bureaucracy, 他还保证要亲自过问,精简军方的官

发表于:2019-02-08 / 阅读(271) / 评论(0) 分类 英语单词荟萃

Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转

发表于:2019-02-08 / 阅读(315) / 评论(0) 分类 英语新闻

Conflict resolution marked the career of former Finnish president Martti Ahtisaari who has received this year's Nobel Peace Prize for his efforts to secure peace in various regions of the world. In this report from Washington, Senior Correspondent A

发表于:2019-02-12 / 阅读(293) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
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ailuropodine
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barrueco
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cardinal line
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Chemungian stage
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creditor's journal
data sorting system
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filamentary
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handle with care
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Hrvatislav
human immunodeficiency viruses
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lactamides
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Monroeism
mouth breathers
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negative picture
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pikeville
Polemonium liniflorum
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To. L. R.
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us oe
valeramides
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wheremid
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