Definition: to get a serious disease Level: C2
她在国外居住时感染了疟疾。
She ___contracted malaria while living abroad.
感染了严重疾病的人通常需要专门的治疗。
People who have ___contracted serious diseases often require specialized treatment.
他在探险期间感染了一种罕见病毒。
He ___contracted a rare virus during the expedition.
