单词	hard-on
释义	hard-on noun ˈhärd-ˌȯn  -ˌän plural hard-ons slang, sometimes vulgar : an erection of the penis Word History First Known Use 1888, in the meaning defined above
随便看	roof pendant roof plate roof prism roof rack roof stay roof-deck roof-spotter roofage roofed roofed ingle roofer roofers roofie roofies roofing roofing nail roofings roofless rooflet rooflike roofline rooflines roofman roofmen roofs

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。