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

• 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。
• Mining properties, oil and GAS reserves, and tracts of standing timber are leading examples of natural resources.
  矿场、石油或天然气储备和林区是自然资源的典型例子。
• 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
• 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。
• Large tracts of this unprotected forest recently have been leased to rubber plantations.
  这片未受保护的森林的大片区域最近被租借给厂商种植橡胶。
• Vast tracts of the country are wild and undeveloped
  乡间大片大片的荒地尚未开发。
• These enormous tracts of land contain much of the nation's remaining wilderness.
  这些大量的土地上保存着剩余的荒野。
• 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。
• I think, I explore great tracts of my life before you.
  我沉思，在你面前探索我生命的广阔。
• The blue-staining areas are the connective tissue of many portal tracts that have collapsed together.
  蓝染区域为同时塌陷的许多门管区的结缔组织。