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

• 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。
• 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。
• There are tracts in my life that are bare and silent.
  在我的生命中有大片大片荒凉沉寂的土地。
• 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。
• Colder days, and on the ground that are not green, and left large tracts of Yellow Earth.
  天更冷了，地上一点绿色都没有了，只剩下大片大片的黄土地。
• 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。
• 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。
• 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
• 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。