单词	unvented
释义	unvented /ʌnˈvɛntɪd / adjective Without a vent or outlet: an unvented hot water cylinder... If central furnace/room heaters with flues are taken as the reference group, the relative risk for wall/floor heaters, both unvented and vented, is 13. Space heaters are also classified as vented and unvented. The participants included 20 453 people born into homes with unvented coal stoves; 16 606 subsequently changed to stoves with chimneys.
随便看	rosy-tinted rosé rot rota rota cut Rotadyne rotal rotalian rotalid rotaliform rotaliid rotaliine rotaline rotamer rotameter rotan rotang Rotarian Rotarianism rotary rotary camera rotary clothes drier rotary clothes line Rotary club rotary converter

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。