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

• 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。
• Iron brought the tillage of large areas, the clearing of wide tracts of virgin forest;
  铁使更大面积的农田耕作，开垦广阔的森林地区，成为可能；
• Method: using atomic absorption spectrometry, cold atomic fluorescence method and double tracts atomic fluorescence spectrometry.
  方法：采用原子吸收光谱法、原子荧光法、道原子荧光法。
• 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。
• 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。
• 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
• Owners and operators of timber tracts, forest tree nurseries, sawmills.
  林地，林木苗圃及锯木厂的所有者和经营商。
• 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。
• 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。
• They opened up large tracts of wasteland.
  他们开垦了大片荒地。