tracts是什么意思？

tracts

• n. 大片土地( tract的名词复数 )，地带，（体内的）道，（尤指宣扬宗教、伦理或政治的）短文；

例句

• Gambell involved a grant of oil and gas leases covering tracts offshore of Alaska. 坎贝尔一案涉及到阿拉斯加近海岸的一片油气田的租借权问题.
• There are tracts of desert in Australia. 澳大利亚有大片沙漠.
• vast tracts of forest 大片大片的森林
• Vast tracts of the country are wild and undeveloped. 乡间大片大片的荒地尚未开发。
• Each sequence is made of transgressive system tracts and highstand system tracts. 认为娄山关组由7个三级层序组成,层序界面为古岩溶不整合面或暴露带,每个层序都由海进体系域和高水位体系域构成.
• Large tracts of wasteland have become a granary. 荒滩变成米粮川.
• Vast tracts of the country are wild and undeveloped... 乡间大片大片的荒地尚未开发。
• 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。
• ...vast tracts of empty land, much of it contaminated by years of army activity. 大片撂荒的土地，其中大部分由于经年累月的战火而受到了污染

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  (土地等的)大片
  A tract of land is a very large area of land.
  例句
  A vast tract of land is ready for development... 一大片广阔的土地可待开发。 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
  A tract is a short article expressing a strong opinion on a religious, moral, or political subject in order to try to influence people's attitudes.
  例句
  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
  A tract is 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.
  例句
  Foods are broken down in the digestive tract... 食物在消化道里分解。 A cold is an infection of the upper respiratory tract. 感冒是上呼吸道的感染。