decimate
v. 毁掉大部分；大量杀死；使骤减
名词：decimation 过去式：decimated 过去分词：decimated 现在分词：decimating 第三人称单数：decimates
近义词：annihilate，destroy，devastate，ruin，slaughter，laywaste，demolish，cutdown，butcher，lessen，extinguish，eradicate，eliminate，carryoff，wipeout，
英英释义
Verb
- kill one in every ten, as of mutineers in Roman armies
- kill in large numbers;
"the plague wiped out an entire population"
例句
- Student numbers have been decimated by cuts in grants.助学金削减後，学生人数大大减少。
- Disease has decimated the population.疾病使大部分人死亡。