"As a former protectee of Secret Service agents, I see no problem with the principle that they -- like all federal agents -- can be called upon to aid federal criminal investigations, " Quayle said.
CNN: Quayle: Secret Service Should Testify
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。