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词汇
thermionic tube
释义
thermionic tube
n.
(名词)
An electron tube in which the source of electrons is a heated electrode.
热离子管:电子源是加热电极的电子管
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sadhu
sadhus
sadism
sadisms
sadomasochism
sad sack
saecular
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safari
safari
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safariing
safari jacket
safaris
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safe
safe
safe-conduct
safecracker
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safeguard
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更新时间:2025/10/14 2:55:11