词汇 | tune up |
释义 | tune uptune up phrasal verbphr v a) APMwhen musicians tune up, they prepare their instruments to play at the right pitch 给〔乐器〕调音 tune something ↔ up The band were tuning up their guitars. 乐队在给吉他调音。 b) tune something ↔ up to make small changes to an engine so that it works as well as possible 调试〔引擎〕 → tune up at tune2(4) |
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