词汇 | primer |
释义 | primer /`prɪmɚ/ primer 1 n. Orig. a small book of private devotions. (本义)祈祷小书。 A small book from which children receive their first lessons in reading. 儿童初级读本。 A textbook containing the first principles of any subject. 入门书。 primer 2 n. A cap, tube, or wafer containing percussion powder used to ignite an explosive charge. 火帽;雷管。 |
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