three Rs

短语

发音

AU

词形变化

the three Rs 复数 only 复数

别名

three R's

释义与例句

n.
  1. 1.

    The basic education received in primary schools, especially (but not necessarily limited to) reading, writing and arithmetic.

    仅复数
  2. 2.

    The basic precepts of any subject matter.

    仅复数 引申义
  3. 3.

    Reduce, reuse and recycle.

    仅复数

词源

From the initial consonant in the pronunciation of reading, (w)riting, (a)rithmetic (aphetically), 1820s.

来源：wiktionary