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    three Rs

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    three Rs

    Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++three Rs /ˌθriː ˈɑːz $ -ˈɑːrz/ noun  the three Rs reading, writing, and arithmetic, considered as the basic things that children must learn in school 〔儿童上学必须学会的〕读写算技能，三R技能
    three Rs nounChinese