Diphtheria is causes by the diphtheria clavate bacillus threatens the enormous one kind of acute respiratory tract infectious disease to the child.
白喉是由白喉棒状杆菌引起的对儿童威胁极大的一种急性呼吸道传染病。
Diphtheria is causes by the diphtheria clavate bacillus threatens the enormous one kind of acute respiratory tract infectious disease to the child.
白喉是由白喉棒状杆菌引起的对儿童威胁极大的一种急性呼吸道传染病。
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