decimates
v. 杀死或毁灭(某物)的大部( decimate的第三人称单数 ); 相当程度地减少或降低
To decimate something such as a group of people or animals means to destroy a very large number of them.
The pollution could decimate the river's thriving population of kingfishers...
污染可能会造成河边大量繁殖的翠鸟大批死亡。
British forces in the Caribbean were being decimated by disease.
加勒比海地区的英国部队有大批的人病死。
To decimate a system or organization means to reduce its size and effectiveness greatly.
...a recession which decimated the nation's manufacturing industry.
使该国制造业元气大伤的经济衰退