单词	keying by
释义	keying by noun : the action of clearing an automatic stop in an emergency and permitting a train to pass a signal set at danger Word History Etymology from the gerund of key by, verb
随便看	food pyramid food secure food security food stamp food truck food tube food unit food vacuole food web food-borne food-gatherer food-insecure food-secure foodborne foodie foodies foodless foodlessness foodlessnesses foods foodstuff foodstuffs foodways foofaraw foofaraws

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。