席卷欧洲的那场瘟疫夺去了数百万人的生命。

Millions perished during the ___plague that swept through Europe.

瘟疫肆虐了中世纪的城镇，夺走了无数生命。

The ___plague ravaged medieval cities, claiming countless lives.

科学家们孜孜不倦地工作，以防止新的瘟疫爆发。

Scientists work tirelessly to prevent the outbreak of a new ___plague.