tract中文什么意思

n.
1.广阔的地面；(一大段)土地[森林]，地带；地域；广阔海面[天空]。
2.〔古语〕一段时间，长时间。
3.【解剖学】管，道，系统；(神经纤维的)束。
+更多解释...短语和例子
a wooded tract 一大片森林。 digestive tract 消化道。 the optic tract 视(神经)束。 the motor tract 运动神经索。n.
(政治、宗教的)短论；小册子；传单；【天主教】续唱。

• a tract:    抽象；摘要; 文摘(摘要); 摘录
• a tract art:    抽象派, 抽象主义
• a tract code:    抽象代码

例句与用法

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1. What he saw was a tract of sand .
   他看到的就是一片沙地。
2. The respiratory tract conveys oxygen-rich air to the lungs .
   呼吸道给肺输送富氧的空气。
3. Drainage is usually carried out after biliary tract surgery .
   通常在胆道手术后进行引流。
4. The bay shore of the silverthorn tract was very irregular .
   银刺地带那儿的海岸线曲折蜿蜒。
5. Respiratory tract fluid is the major product of the normal lung .
   呼吸道液体是正常肺的主要产物。

英文释义

名词

1. a bundle of myelinated nerve fibers following a path through the brain
   同义词：nerve pathway, nerve tract, pathway
2. a system of body parts that together serve some particular purpose
3. a brief treatise on a subject of interest; published in the form of a booklet
   同义词：pamphlet
4. an extended area of land
   同义词：piece of land, piece of ground, parcel of land, parcel