tract
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n. 束；大片土地，地带；小册子
n. (Tract)人名；(英)特拉克特
n.
大片土地；（神经纤维的）束；小册子；一段时间，长时间
变形
复数：tracts
双语释义
n.(名词)[C]大片土地；地带 large stretch or area of land
[C]道，束 system of connected tube-like parts along which sth passes
英英释义
tract[ trækt ]
n.
an extended area of land
同义词：piece of landpiece of groundparcel of landparcel
a system of body parts that together serve some particular purpose
a brief treatise on a subject of interest; published in the form of a booklet
同义词：pamphlet
a bundle of myelinated nerve fibers following a path through the brain
同义词：nerve pathwaynerve tractpathway
词汇搭配
用作名词 (n.)
形容词+～
the digestive tract消化道
the respiratory tract呼吸道
the urinary tract尿道
词组短语
respiratory tract呼吸道
urinary tract[医]尿路；泌尿道
digestive tract消化道
gastrointestinal tract胃肠道；胃肠管
upper respiratory tract上呼吸道
urinary tract infection尿路感染；尿道发炎
biliary tract[医]胆道
intestinal tract[医]肠道
alimentary tract消化道
upper respiratory tract infection上呼吸道感染
reproductive tract[医]生殖系统；[生]生殖系
genital tract生殖道；产道
vocal tract声道
corticospinal tract[医]皮质脊髓束；皮层脊髓束
双语例句
用作名词(n.)
He owns a large tract of forest.
他拥有一大片森林。
He took many photos of the wide tracts of desert in North Africa.
他拍了许多关于北非的广大沙漠的照片。
Osteoporosis is a late complication of digestive tract disease.
骨质疏松症是消化道疾病的晚期并发症之一。
He had an infection in the upper respiratory tract.
他上呼吸道感染。
The tract ascends all the way to the VPL of the thalamus where it synapses on the tertiary neurons.
此束会上升至丘脑腹后外侧核且于此与三级感觉神经元建立突触。
There is no decussation in the lateral corticospinal tract after the decussation at the medullary pyramids.
它们在髓状锥体交叉后，不会在皮层脊髓侧束中交叉。
用作名词(n.)
He wrote all the campaign tracts.
这些竞选传单全是他写的。
权威例句
Tract-based spatial statistics: voxelwise analysis of multi-subject diffusion data.Microbial Ecology of the Gastrointestinal Tract
Helicobacter pylori and gastrointestinal tract adenocarcinomas.
Nod2-dependent regulation of innate and adaptive immunity in the intestinal tract.
The standardization of terminology of lower urinary tract function recommended by the international continence society
The standardisation of terminology in lower urinary tract function: report from the standardisation sub-committee of the Internation...
CD4+ T Cell Depletion during all Stages of HIV Disease Occurs Predominantly in the Gastrointestinal Tract
The standardisation of terminology of lower urinary tract function: report from the Standardisation Sub-committee of the Internation...
The standardisation of terminology in lower urinary tract function: report from the standardisation sub-committee of the Internation...
The standardisation of terminology in lower urinary tract function: report from the standardisation sub-committee of the Internation...
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 vast tract of ocean [land]
一片汪洋大海 [一大片土地]
-- 来源 -- 英汉 - 辞典例句
2. The bay shore of the silverthorn tract was very irregular.
银刺地带那儿的海岸线曲折蜿蜒。
-- 来源 -- 英汉 - 辞典例句
3. Neoplasia of the genitourinary tract accounts for about one fifth of adult tumors.
泌尿生殖道肿瘤约占成人时期肿瘤的1／5。
-- 来源 -- 英汉 - 辞典例句
4. He had an infection in the upper respiratory tract.
他上呼吸道感染。
-- 来源 -- 英汉 - 辞典例句
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。
-- 来源 -- 英汉 - 辞典例句
6. 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。
-- 来源 -- 英汉 - 辞典例句
7. The secretory system of the respiratory tract is probably the most appreciated.
呼吸道的分泌系统可能是最先被意识到的。
-- 来源 -- 英汉 - 辞典例句
8. Natural spectral peaks of the vocal tract that aid in the recognition of speech sounds.
声道的自然频谱峰值,帮助语音识别。
-- 来源 -- 英汉 - 辞典例句
9. The atmosphere is often highly irritating to the eyes and to the respiratory tract.
大气常会刺激眼睛和呼吸系统。
-- 来源 -- 英汉 - 辞典例句
10. Drainage is usually carried out after biliary tract surgery.
通常在胆道手术后进行引流。
-- 来源 -- 英汉 - 辞典例句
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