英语词汇“θ78462”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	θ78462
释义	the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > thermionic valve > [noun] > study of (1) thermionics1909 (plural) the branch of science and technology concerned with thermionic emission.
随便看	conductsheet conductus condue conduiresse conduit conduit system conduit-cock conduit-head conduit-like conduit-pipe conduit-water conduit-wise conduitcock conduithead conduitlike conduitpipe common redpoll common redshank common redstart common reed common reedmace common restharrow common rhea common rhubarb common rice

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