第三人称复数：instrumentalities
名词手段
1. through the instrumentality of : 靠..., 借助于...；
2. by the instrumentality of : 靠..., 借助于...；
名词
1. Through the instrumentality of the police he was able to locate his relatives.
靠警察帮忙，他找到了他的亲属。
noun
1. 911chaxun查询·英语单词大全
1. an artifact (or system of artifacts) that is instrumental in accomplishing some end
Synonym: instrumentation
2. the quality of being instrumental for some purpose
3. a subsidiary organ of government created for a special purpose
e.g. are the judicial instrumentalities of local governments adequate?
he studied the French instrumentalities for law enforcement