• n. 束；大片土地，地带；小册子
• n. (Tract)人名；(英)特拉克特

来自拉丁语 tractus,跑道，路径，来自拉丁语 trahere,拖，拉，使移动，来自 PIE*tragh,拖，拉， 使移动，来自 PIE*dhragh,拉，拉出，词源同 draw,tract.引申词义一片土地，地带，道，束等。

来自拉丁语 tractare,处理，操纵，对待，来自拉丁语 trahere 的反复格动词形式，词源同

tract (n.1)

"area," mid-15c., "period or lapse of time," from Latin tractus "track, course, space, duration," lit, "a drawing out or pulling," from stem of trahere "to pull, draw," from PIE root *tragh- "to draw, drag, move" (cognates: Slovenian trag "trace, track," Middle Irish tragud "ebb;" perhaps with a variant form *dhragh-; see drag (v.)). The meaning "stretch of land or water" is first recorded 1550s. Specific U.S. sense of "plot of land for development" is recorded from 1912; tract housing attested from 1953.

tract (n.2)

"little book, treatise" mid-12c., probably a shortened form of Latin tractatus "a handling, treatise, treatment," from tractare "to handle" (see treat (v.)). Related: Tractarian.

1. A cold is an infection of the upper respiratory tract.

感冒是上呼吸道的感染。

来自柯林斯例句

2. Water is ideal to flush the kidneys and the urinary tract.

用水清洗肾脏和尿道最理想不过。

来自柯林斯例句

3. 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》。

来自柯林斯例句

4. A vast tract of land is ready for development.

一大片广阔的土地可待开发。

来自柯林斯例句

5. Foods are broken down in the digestive tract.

食物在消化道里分解。

来自柯林斯例句