单词	airscrew
释义	airscrew /ˈɛːskruː / noun British An aircraft propeller.In 1480, Leonardo da Vinci drew his famous ‘airscrew’ machine which could never have flown.... Both planes were triplanes with twin tractor airscrews driven by shafts from the fuselage. This helicopter had four lifting airscrews and five auxiliary propellers.
随便看	subperiosteal subperitoneal subpersonality subpetiolar subpetiolate subpetiole subpetioled subphotospheric subphylum subpial subpixel subplacenta subplant subplantigrade subplot sub-plough sub-plow sub plumbo subpoena subpoena ad testificandum subpoena duces tecum Subpoena Office subpolar subpopulation sub-postmaster

英语词典包含243303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。