单词	Crookes tube
释义	Crookes tube noun : a vacuum tube evacuated to a pressure of about .04 mm of mercury for demonstrating the properties of cathode rays Word History Etymology after Sir Wm. Crookes
随便看	fireships fireside firesides firestone firestones firestorm firestorms firetail firethorn firethorns firetop firetrap firetraps firetrucks firewalk firewalking firewalks firewall firewalled firewalling firewalls firewater firewaters fireweed fireweeds

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。