The world is on track to reverse the spread of this airborne killer.
全世界正按计划扭转这一通过空气传播的致命疾病的传播率。
TB is the number-one infectious disease killer in the world.
结核病是世界第一传染病杀手。
TB is the number-one infectious disease killer in the world.
结核病是全世界传染病中的头号杀手。
TB is the number-one infectious disease killer in the world.
结核病是全世界传染病中的头号杀手。
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