- 问题详情:Asusual,itwasalwayscoldduringthedays.Hiburywascutofffromtherestoftheworldbecauseofheavysnow. ItwasacoldJanuaryin1925inNorthAlaska.Thetownwascutoffonthe20thofthatmonth,Dr.Welch 41asickboy,Billy,andknewhehaddiphtheria,adeadlyinfectious(传染的...
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