单词	valve
释义	valvevalve /vælv/ ●○○ noun [countable] Etymology ETYMOLOGYvalve Origin: 1400-1500 Latin valva part of a door 1 a part of a tube or pipe that opens and shuts like a door to control the flow of liquid, gas, air, etc. passing through it2science, biology a part of an artery or vein that folds or closes in order to stop blood flowing back where it came from3eng. lang. arts the part on a trumpet or similar musical instrument that you press to change the sound of the note [Origin: 1400–1500 Latin valva part of a door] → see also bivalve, safety valve
随便看	sophistication sophistry Sophocles sophomore sophomoric soporific sopping soprano sorbet sorcerer sorceress sorcery sordid sore sorehead sorely sorghum sorority sorrel sorrow sorrowful sorrowfully sorry sort sorta

英语词典包含48224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。