英语词汇“positive ray”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	positive ray
释义	positive ray noun : a stream of positively charged ions moving toward the cathode in a discharge tube
随便看	reanimate reanimation reanneal reannex reannexation reap reap reaper reaper reaper-binder reaper-thresher reap hook reaping reaping reaping hook reaping machine reapparel reapparition reappeal reappear reappearance reapplication reapplier reapply reappoint

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