plague spot

同根派生

It is not through drugs that they have improved the general health, cleaned up plague spots, cut down infant mortality, lengthened the average life expectancy of mankind by fifteen years.
毉學竝不是通過葯品來改善大衆的健康狀況、阻止瘟疫傳播、降低嬰兒出生死亡率、延長15年的人類平均壽命期望值。）
The bubonic plague swept off most of the villagers.
那場淋巴腺鼠疫奪去了大部分村民的生命。
Many people were taken off by the Black Plague.
許多人被黑死病奪去了生命。
A great plague was then raging in the city.
那時一場大瘟疫正在該城肆虐。
I'm afraid we are in for a spot of trouble.
恐怕我們是一定要遇到麻煩了。