痘;Vaccination for smallpox is efficacious.
痘防天
是有效的。
疫苗；痘苗；天菌苗病毒Vaccination for smallpox is efficacious.
痘防天是有效的。
Smallpox can be contained by vaccination.
痘疫苗可以控制住天。
A new outbreak of smallpox occurred in 1928.
1928 年爆发了新一轮的天。
Were you vaccinated against smallpox as a child?
你小时候打过天疫苗吗？
The smallpox vaccine has saved many lives.
天疫苗挽救了许多人的生命。
Cases of smallpox are becoming rare.
天病例日益罕见。
In 1742 he suffered a fatal attack of smallpox.
1742 年，他染上了致命的天。
Were you vaccinated against smallpox as a child?
你小时候打过天疫苗吗？
A new outbreak of smallpox occurred in 1928.
1928 年爆发了新一轮的天。
In 1742 he suffered a fatal attack of smallpox.
1742 年，他染上了致命的天。
Smallpox can be contained by vaccination.
痘疫苗可以控制住天。
Cases of smallpox are becoming rare.
天病例日益罕见。
Vaccination immunizes people against smallpox.
痘能使人免患天。
Vaccination for smallpox is efficacious.
痘防天是有效的。
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