英语词汇“preselector”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	preselector
释义	preselector /pree'si lek"teuhr/, n. Radio. a preamplifier between the antenna and receiving circuit, used to improve reception. [1925-30; PRESELECT + -OR²]
随便看	graving piece gravisphere gravitas gravitate gravitation gravitational collapse gravitational constant gravitational field gravitational lens gravitational mass gravitational radius gravitational redshift gravitational wave gravitative graviton gravity gravity cell gravity clock gravity dam gravity escapement gravity fault gravity feed gravity hinge gravity meter gravity railroad

英语词典包含168451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。