| 单词 | run sth↔in |
| 释义 | ● ˌrun sth↔ˈin (BrE )(in the past ) to prepare the engine of a new car for normal use by driving slowly and carefully （旧时）磨合运转，磨合驾驶◆ (figurative ) Whatever system you choose , it must be run in properly . 不管你选择什么样的体系，都必须经过适当的磨合。See also run |
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