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1·Foods are broken down in the digestive tract.

食物在消化道内被分解。《柯林斯英汉双解大词典》

2·A vast tract of land is ready for development.

一大片土地正待开发。《柯林斯英汉双解大词典》

3·She produced a feminist tract, Comments on Birth-Control, in 1930.

她1930年写了一篇女性主义短文《论计划生育》。《柯林斯英汉双解大词典》

4·In humans, coronaviruses cause respiratory tract infections.

冠状病毒在人体内会引起呼吸道感染疾病。

5·That's how it makes a difference to your digestive tract.

这就是它对消化道的影响。

6·These muscles move food, fluids and gas through your digestive tract.

这些肌肉通过消化道移动食物、液体和气体。

7·Epidemiological studies have found that children with PDD have no higher prevalence of gastrointestinal tract than normal children.

流行病学研究发现，广泛性发育障碍（Pervasive Developmental Disorder）孩子和正常孩子相比较并没有更高的胃肠道患病率。

8·This will allow the robot to crawl around the gastrointestinal tract, perform treatment with appropriate surgical tools, and perform biopsies.

这将使机器人可以在胃肠道周围爬行，用适当的外科手术工具施行治疗，且可以进行活体组织检查。

9·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.

一场全球性的运动已经展开，目的是将大片的南极海域变成海洋保护区，保护野生动物，不只禁止捕捞磷虾，而是禁止所有的捕捞活动。

10·The rubrospinal tract and lateral vestibulospinal and pontine reticulospinal tract biased extension in the upper extremities.

上肢的风湿性脊髓束和外侧前庭脊髓和桥状网状脊髓束偏向伸展。

束

1·Results The white matter fiber tract could be observed clearly on the FA map.

结果扩散张量FA图可清楚显示脑白质内大部分主要的白质纤维束。

2·Objective:To Provide morphological data of olfactory nerves, bulb and tract of Chinese to protect olfactory function in the operation of nasal cavity roof and anterior cranial fossae.

目的：填补国人嗅神经、嗅球和嗅束的形态学资料，为鼻腔顶、颅前窝手术提供保护病人嗅觉功能的解剖学依据。

3·They are less in the contralateral solitary tract nucleus and the dorsal nucleus of the vagus nerve.

对侧孤束核及迷走神经背核内的末梢较同侧为少。

4·The injured severity of cortical spinal tract was correlated with the muscular strength, which might predict the prognosis of rehabilitative treatment.

皮质脊髓束损伤程度与肌力相关，可用于判断康复治疗的预后。

5·The solitary tract nucleus at the level of the obex may have important effect in the afferent path.

延髓孤束核区域在此传入通路中起重要作用。

(1)respiratory tract呼吸道

(1)urinary tract[医]尿路；泌尿道

(1)digestive tract消化道

(1)gastrointestinal tract胃肠道；胃肠管

(1)upper respiratory tract上呼吸道

(1)urinary tract infection尿路感染；尿道发炎