tract

美音：[trækt] 英音：[trækt]

简单释义：

n.束；地带；小册子；大片土地

网络传单；广阔的地面；道

变形：

复数：tracts

完整释义：

1.纤维束
2.系统;一片
3.广阔的地面;(一大段)土地[森林],地带;地域;广阔海面[天空]
4.地区
5.〔古语〕一段时间,长时间
6.路;一片(地)
7.论文,短文
8.短论;短文
9.【解剖学】管,道,系统;(神经纤维的)束
10.(政治、宗教的)短论;小册子;传单;【天主教】续唱

例句：

Colonization of the lower GI tract and indwelling catheters have been thought to be the primary sources of systemic infection with Candida.
殖民化，降低胃肠道和留置导管一直被认为的主要来源全身感染念珠菌。
It is usually not serious and is a localized infection of the respiratory tract, except in the elderly, very young and patients.
流感通常不是很严重，为呼吸道局限性感染，只有一些老年人，小孩和病人才会有严重并发症。
It was too close to a girls' hostel and a high school, he explained, and they would be better off on another tract outside of town.
该处和女生宿舍，中学非常近。他这样解释道，他们最好住在郊外。
So it's necessary for you to be careful not to catch cold and other upper tract respiratory infections.
因此，患者一定注意防寒，预防感冒和上呼吸道感染等。
Chloroform may be fatal if swallowed, inhaled, or absorbed through skin, and it causes irritation to skin, eyes, and respiratory tract.
氯仿可能致命如果吞下，吸入或透皮吸收，它引起发炎皮肤、眼睛、呼吸道。
The pathways of heat loss from the body are the skin, respiratory tract, and to a lesser extent, the urinary and digestive tracts.
人体散热途径是经皮肤、呼吸道，少量经尿道和消化道散热。
So it is possible for a calcium tablet to pass through the digestive tract without being completely absorbed.
因此钙片可能驰过消化道而没有完全吸收掉。
Micturition (self-study): To understand innervation of the urinary bladder and urinary tract micturition and its control.
尿的排放（自学）：了解膀胱和尿道的神经支配，排尿反射及排尿的调节。

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