instrumentality的例句（instrumentality在句子中的用法）

• One that serves as a means; an instrumentality. 为了特定的目的而发明的工具.
• 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.
• Without the instrumentality of a free press liberty could not be preserved. 如果不能有效地利用新闻自由,就无法维护自由.