1. Objective TO understand the infection state of tuberculosis among AIDS patients. 目的了解艾滋病病人中肺结核病的感染情况。
2. One possible reason is that dust can affect the breathing system and people may be more open to infection. 原因之一可能是尘埃会影响呼吸系统以及人们的户外活动多，因而感染病毒。
3. Complications can happen during an operation or after. For example, an infection might develop after surgery. 并发症可能发生在手术中或手术后，例如，手术以后可能发生感染。
英英解释
n.
1. the pathological state resulting from the invasion of the body by pathogenic microorganisms
2. (phonetics) the alteration of a speech sound under the influence of a neighboring sound
3. (medicine) the invasion of the body by pathogenic microorganisms and their multiplication which can
4. an incident in which an infectious disease is transmitted
5. the communication of an attitude or emotional state among a number of people
6. moral corruption or contamination
7. (international law) illegality that taints or contaminates a ship or cargo rendering it liable to se
