| 单词 | primer |
| 释义 | primerBrE /ˈpraɪmə(r)/ NAmE /ˈpraɪmər/ noun [U , C ]a type of paint that is put on wood , metal , etc . before it is painted to help the paint to stay on the surface 底漆；底层涂料[C ]BrE /ˈpraɪmə(r)/ NAmE /ˈprɪmər/ (NAmE ) a book that contains basic instructions 初级读本；入门书◆ The President doesn't need a primer on national security . 总统对于国家安全是不需要读入门书的。[C ]BrE /ˈpraɪmə(r)/ NAmE /ˈprɪmər/ (old-fashioned ) a book for teaching children how to read , or containing basic facts about a school subject 识字课本；启蒙读本 |
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