| 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 |