| 词组 | nail something down |
| 释义 | nail something down nail (something) down to make something certain or final. My uncle has been meeting people all over the state to nail down support for his senate campaign. |
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英语词组固定搭配大全包含18674条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。