tract
英 [trækt]
美[trækt]
- n. 束；大片土地，地带；小册子
- n. (Tract)人名；(英)特拉克特
词态变化
复数: tracts;
助记提示
1、tract- => tract.
2、stretch / pull of land or water, plot of land for development.
3、little book, treatise, a handling.
2、stretch / pull of land or water, plot of land for development.
3、little book, treatise, a handling.
中文词源
tract 道，束，大片土地，地带
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。
tract 小册子来自拉丁语 tractare,处理，操纵，对待，来自拉丁语 trahere 的反复格动词形式，词源同
英英释意
- 1. an extended area of land
- 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
- 4. a bundle of mylenated nerve fibers following a path through the brain
英文词源
- 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.
考试真题
- A global campaign has been launched to turn a huge tract of Antarctic seas into ocean sanctuaries, protecting wildlife and banning not just krill fishing, but all fishing.
2019年12月六级真题（第二套）阅读 Section C
实用场景例句
- the digestive tract
- 消化道
牛津词典
- a nerve tract
- 神经束
牛津词典
- vast tracts of forest
- 大片大片的森林
牛津词典
- A vast tract of land is ready for development...
- 一大片广阔的土地可待开发。
柯林斯高阶英语词典
- 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。
柯林斯高阶英语词典
- 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》。
柯林斯高阶英语词典
- Foods are broken down in the digestive tract...
- 食物在消化道里分解。
柯林斯高阶英语词典
- A cold is an infection of the upper respiratory tract.
- 感冒是上呼吸道的感染。
柯林斯高阶英语词典
- He wrote a tract on this subject.
- 他曾对此写了一篇短文.
辞典例句
- The suggestions maintaining the normal count of Bifidobacteria in human intestinal tract were forward as well.
- 并阐述了部分作用机理,提出了维持人体肠道正常双歧杆菌数量的建议.
期刊摘选
- Blastocystis hominis is a unicellular protozoan commonly found in the intestinal tract of human and mammal.
- 人芽囊原虫是一种常见的人和哺乳动物肠道寄生原虫.
期刊摘选
- RS infection usually manifests as an upper respiratory tract infection with symptoms resembling a cold.
- RS感染通常表现为上呼吸道感染症状,与感冒相似.
期刊摘选
- Objective : To compare among ceftriazone, penicillin, and ciprofloxacin in the treatment of lower respiratory tract infection.
- 目的: 比较头孢曲松 、 青霉素和环丙沙星治疗下呼吸道感染的疗效及经济成本.
期刊摘选
- Inflammatory fibroid polyp, an uncommon lesion of the gastrointestinal tract, most commonly occurs in the stomach.
- 摘要炎性纤维息肉是一种不常见的胃肠道病变, 胃是病变最常出现的器官.
期刊摘选
- BPH can lead to complications such as an inability to urinate and urinary tract infection.
- 前列腺肥大并会造成如不能排尿及尿道感染等并发症.
期刊摘选
- Objective: Investigate the clinical of CRP in infection of biliary tract in senility.
- 目的: 评价C反应 蛋白(CRP)在老年胆道感染诊断中的临床意义.
期刊摘选
- His house looks out on a tract of ocean.
- 他的房子面向一片广阔的海洋.
期刊摘选
- Infection with Trichomonas vaginalis also results in local urogenital tract symptoms.
- 阴道毛滴虫感染也可导致局部泌尿生殖道症状.
期刊摘选
- Eg: Irregular diet may lead to intestinal tract disease.
- 例: 不规律的饮食习惯,经常诱发肠胃病.
期刊摘选
- Acute sinusitis is usually initiated by an acute respiratory tract infection of viral etiology.
- 急性鼻窦炎常常是由病毒性病因的急性呼吸道感染而发生.
辞典例句
- The wall of the digestive tract includes mucosa, submucosa muscular layer and adventitia.
- 消化道管壁由粘膜层 、 粘膜下层、肌层和外膜组成.
期刊摘选
- Recent International research discovered: nearly 80 % HIV locates in the intestinal tract tissue.
- 一、国际艾滋病研究最新发现: 近80%HIV在肠道组织内.
期刊摘选
- The reason of brain swelling result form rough operation , resperative tract obstruction , brain microcirculation and others.
- 认为术中操作粗糙、醉过浅,术后呼吸不畅 、 微循环障碍及神经细胞钙超载是引起脑肿胀的主要原因.
期刊摘选
- This case is the infection of upper respiratory tract.
- 这个病是上呼吸道感染.
期刊摘选
- In the past nothing could grow on this tract of land.
- 过去这块地不立苗.
《现代汉英综合大词典》
- Objective : To study hemostatic action of Ar + laser to haemorrhagia of gastrointestinal tract mucous membrane.
- 目的: 研究氩离子激光对胃肠道粘膜出血的止血作用.
期刊摘选
- He's suffering from an acute infection of the lower respiratory tract.
- 他患有急性下呼吸道感染.
《简明英汉词典》
- A cold is an infection of the upper respiratory tract.
- 感冒是上呼吸道的感染。
柯林斯例句