词汇 | vacuum tube |
释义 | vacuum tubeWord family nounvacuistvacuum cleanervacuum flaskvacuum tubevacuumadjectivevacuum-packed Electricalˈvacuum ˌtube noun [countableC] American EnglishAmE TEEa valve(3) 真空管 Examples from the Corpus vacuum tube• Just another snooty $ 3,000 vacuum tube amplifier, I thought.• The ideal atmosphere for the vacuum tube is no atmosphere at all, or a perfect vacuum. |
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