| 单词 | three R's |
| 释义 | three R's three R's pl.n.（复数名词）Reading, writing, and arithmetic, considered as the fundamentals of elementary education.三R：小学所教的阅读、写作和算术等基础课语源:1. From the phrase reading, 'riting, and 'rithmetic 源自片语 reading, 'riting, and 'rithmetic 2. alteration of reading, writing, and arithmetic reading, writing, and arithmetic的变化 |
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