单词	sky marshal
释义	sky marshal noun : an armed federal officer in plain clothes who is assigned to prevent skyjackings : air marshal sense 2 Word History First Known Use 1964, in the meaning defined above
随便看	planetary gearing planetary hour planetary house planetary mansion planetary nebula planetary science planetary scientist planetary transmission planetary wind planetesimal planetesimal hypothesis planetesimals planetlike planetoid planetoidal planetoids planetological planetologies planetologist planetologists planetology planets planetwide planform planforms

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。