英语语法分析

Mycobacterial infections can be very difficult to treat.

分支杆菌感染往往难以治疗。

These patients often suffer from recurring mycobacterial infections throughout their whole lives.

这些患者常常在一生中都受到反复发作的感染的折磨。

Objective To study the chest X-ray and CT appearance of pulmonary non-tuberculosis mycobacterial infection.

目的提高非结核分枝杆菌肺病的影像诊断和鉴别诊断水平。