It is usually contracted through transfusions of unscreened blood, or by injecting or inhaling drugs.
丙肝通常是通过输入没有筛查的血或者通过注射或者吸入药物被感染。
For example, every year, tens of thousands of human deaths occur from rabies, usually contracted from dogs.
例如,每年都有数万人死于狂犬病,通常情况下都是由狗传染而来。
The gastrointestinal tract is usually contracted with spinal and epidural anesthesia, facilitating exposure of the surgical site.
脊髓和硬膜外麻醉时胃肠道呈收缩状态有利于手术野暴露。
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