| 词组 | on spec |
| 释义 | on spec if you do something on spec, you do it without being sure that you will get what you want. You could always turn up at the airport on spec and see what's available on the day. I sent in an article on spec and they published it. |
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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。