单词	air service
释义	air service noun 1 : the air arm of a nation 2 : mail, passenger, and freight service provided by the operation of aircraft Word History First Known Use 1907, in the meaning defined at sense 1
随便看	boat hook boat knot boat line boat livery boat nail boat people boat plant boat plug boat rod boat rope boat shell boat shoe boat spike boat train boat truck boat-billed heron boat-rocker boat-rocking boat-shaped boat-tailed boat-tailed grackle boatable boatage boatbill boatbills

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。