tracts

英 [trækts]

美 [trækts]

n.  (连通身体组织或器官的)道，束; 大片土地; 地带; (尤指宣扬宗教、伦理或政治的)短文，传单，小册子
tract的复数

柯林斯词典

• N-COUNT (土地等的)大片
  Atract ofland is a very large area of land.
  1. A vast tract of land is ready for development...
     一大片广阔的土地可待开发。
  2. They cleared large tracts of forest for farming, logging and ranching.
     他们清除了大片的森林以经营农耕、采伐与畜牧。
• N-COUNT (宗教、道德或政治的)短文
  Atractis a short article expressing a strong opinion on a religious, moral, or political subject in order to try to influence people's attitudes.
  1. She produced a feminist tract, 'Comments on Birth-Control', in 1930.
     她 1930 年写了篇女性主义的短文《论节育》。
• N-COUNT 道;束
  Atractis a system of organs and tubes in an animal's or person's body that has a particular function, especially the function of processing a substance in the body.
  1. Foods are broken down in the digestive tract...
     食物在消化道里分解。
  2. A cold is an infection of the upper respiratory tract.
     感冒是上呼吸道的感染。
  3. ...urinary tract infections.
     尿路感染

双语例句

• I collected some kind of oily substance from the wound tracts.
  我从伤痕上采集了一些油性物质。
• The Development Features and Early Nutritional Regulation of Mammalian Gastrointestinal Tracts
  哺乳动物胃肠道发育特征和早期营养调控研究进展
• Large tracts of wasteland have become a granary.
  荒滩变成米粮川。
• This article reviewed its origin and development, and introduced its use in treating refractory sinus tracts or fistulae.
  本文介绍了拖线疗法的形成与发展，以及它在难愈性窦瘘中的应用。
• Vast tracts of forest burned for a week.
  大范围的林木一直延烧了一个星期。
• The present paper deals with the Cambrian sequence stratigraphic framework, sequence boundaries, sequence patterns and systems tracts, in the middle Yangtze area.
  笔者建立了中扬子区寒武系层序地层格架，研究了中扬子区层序界面和体系域特点，分析了中扬子区层序样式的基本类型及其特征。
• Health hazards: corrosive and irritating to upper and lower respiratory tracts, skin and eyes.
  健康危害：对上下呼吸道、皮肤和眼睛有腐蚀性和刺激性。
• Have you read John milton's tracts on divorce?
  你读过约翰密尔顿关于离婚的短文吗。
• In addition, her digestive and urinary tracts and her genitals share a single tube.
  奇迹的塞隆不仅腿部残疾，还有一个先天缺陷的左肾和一个发育过小的右肾；另外，她的消化道、尿道和生殖器共有一条管道。
• Most strains of avian influenza virus are mainly found in the respiratory and gastrointestinal tracts of infected birds, and not in meat.
  大多数禽流感病毒株主要是在受感染禽类的呼吸道和胃肠道中而不是在肉中发现的。