| 释义 |
tractBrE /trækt/ NAmE /trækt/ noun (biology生物) a system of connected organs or tissues along which materials or messages pass （连通身体组织或器官的）道，束◆ the digestive tract 消化道◆ a nerve tract 神经束an area of land , especially a large one 大片土地；地带SYN stretch◆ vast tracts of forest 大片大片的森林(sometimesdisapproving ) a short piece of writing , especially on a religious , moral or political subject , that is intended to influence people's ideas （尤指宣扬宗教、伦理或政治的）短文，传单，小册子 |