a gun trigger that responds with little pressure
Berlin and Cuba were the hair triggers that so nearly brought the United States and the Soviet Union to all-out war.
NPR: 'Let Every Nation Know': JFK in His Own Words
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。