| 单词 | tune up |
| 释义 | tune upphr v 1. [i,t tune sth ↔ up] if a group of musicians tune up, they make their instruments play the same notes so that they are ready to play ［演奏之前把乐器］调好音; 给…调音 2. [t tune sth ↔ up] to make small changes to a car engine so that it works better 调整［汽车引擎］ |
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