英语词汇“vacuum tube”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	vacuum tube
释义	Word Frequency vacuum tube or vacuum valve noun another name for valve (sense 3)
随便看	mammary mammary gland mammate mammatus mammee mammee mammee apple mammer mammet mammet mammetry mammie mammies mammiferous mammiform mammilla mammilla mammillae mammillar mammillaria mammillary mammillary mammillate mammillate mammillated

英语词典包含233703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。