名词
中文翻译：电子管
同义词：
['电子管（electrode）例句：1. The old radio still works', "but it's a bit out of date.（旧收音机还能用，但有点过时了。）"]
例句：
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1. The old radio still works, but it's a bit out of date.
旧收音机还能用，但有点过时了。
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2.He used to play the guitar with his friends in the park.
他以前在公园和朋友们一起弹吉他。
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3.The new electronic device is more powerful than the old one.
这个新型电子设备比旧的更强大。