1.He’s suffering from an acute infection of the lower respiratory tract.

1.他患有急性下呼吸道感染。

2.There are tracts of desert in Australia.

2.澳大利亚有大片沙漠。

3.Human defensins,found in the blood,intestinal tract and epithelial cells,are small,cystin-rich cationic peptides with special structure.

3.人类防御素是一种存在于血液、肠道及表皮细胞中具有特殊空间结构,富含精氨酸的阳离子多肽。

4.However, more commonly, chronic prostatitis is abacterial and there is no history of urinary tract infection.

4.然而慢性前列腺炎多为细菌性且无道感染史。

5.But the reservoirs of coastwise bar, lacustrine bay sandstone and shore sand occur in each tract.

5.而沿岸坝、滩砂、湖湾砂等油气藏分布于各个体系。

6.The loose connective tissue around the neurovascular tracts,and 5.The loose connective tissue at the visceral hili and tunicae.

6.4血束疏松结缔组织;5内脏器官门及被膜疏松结缔组织。

7.ObjectiveTo observe the effect of urethral stent implantation on detrusor-sphincter dyssynergia caused by neurogenic lower urinary tract dysfunction.

7.目的观察网状道支架植入术对原性下路功能障碍的治疗效果。

8.This intravenous pyelogram (IVP) of a normal urinary tract on the left demonstrates contrast filling the pelvis, ureter, and bladder.

8.静脉肾盂造影显示正常道，可见肾盂、输和膀胱。

9.Objective To observe the effect of thrombosin perfusion via stomach tube on acute hemorrhage of upper digestive tract of nswbon.

9.目的观察凝血酶胃注入治疗新生儿急性上消化道出血的疗效。

10.CONCLUSION: Compared with ureteroneocystostomy, end-to-end ureteroneocystostomy can reduce the incidence of vesicoureteral refluox and urinary tract infection.

10.输-输吻合与广泛使用的输-膀胱吻合比较，输流、路感染的发生率较低。

11.Conclusion: Prenatal diagnosis of fetal gastrointestinal tract anomalies is of instructional clinical value in eugenetics and postnatal treatments.

11.超声产前诊断胎儿消化道畸形,对优生、优育及出生后早期及时治疗具有重要临床指导价值。

12.Objective To discuss the clinical features, therapeutic outcome, prognosis and the major risk factors of candidosis in the respiratory tract.

12.探讨肺部念珠菌感染的危险因素、临床诊断、治疗及预后。

13.The syndrome displayed as protrudent eyes, lackluster surface with white cytocysts, ulcerative gill, swoln throat, anabrotic liver and inflammatory intestinal tract.

13.解剖观察有烂鳃，咽腔部肿胀，肝胰腺呈糜散状，腹腔有积液，肠道中无食物并伴有炎症等病症。

14.Method Seven cases of MPMT of the female genital tract were studied by clinicopathology in combination with the review of the literature.

14.方法回顾分析7例女性生殖系统MPMT的临床病理资料并复习文献。

15.Conclusion:The death cause of chronic cardiopulmonary disease is mainly concerned with respiratory tract infection, respiratory failure, multi-organ functional lesion and dystrophia.

15.慢性肺心病死亡主要与呼吸道感染、呼吸衰竭、多器官功能损害及营养不良有关。

16.The contents of different parts of the digestive tracts were used to determine the fragmentation process of ingesta in Mongolian gazelle (Procapra gutturosa).

16.研究了黄羊消化道内7个部位(瘤胃、网胃、瓣胃、皱胃、小肠、盲肠和直肠)食物粒径的分布规律。

17.Additionally, noel applications of proclotting agents as well as direct renal and tract electrocauterization immediately postpercutaneous nephrolithotomy hae been reported to decrease transfusions.

17.此外，皮肾镜取石术后立即直接行肾及其通道电烙术，也可运用新型前凝固因子成分，从而减少术中输血。

18.Methods To clear the fluoroacetamide,control the convulsion and keep the unobstructed of respiratory tract,to strengthen the safety protection and give the toxinicide to the patients.

18.清除毒物、解毒剂治疗、控制抽搐、保持呼吸道通畅、安全防护等。

19.The main causes of dystocia of vertex presentation were occiput malpresentation, macrosomic infant, uterine atony, abnormal pelvic and genital tract.

19.导致头位难产的主要因素依次为胎头位置异常、巨大儿、宫缩乏力、软产道及骨产道异常。

20.When diphtheritic inflammation begins in the respiratory tract, sore throat and fever usually develop.Prostration and dyspnea soon follow because of the obstruction caused by the membrane。

20.当白喉在呼吸道引起炎症时，通常有咽喉痛和发热，然后由于假膜的阻碍会感到虚脱和呼吸困难，如果不及时治疗可能会引起窒息。