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four fours 添加释义

网络释义英英释义

短语

Four rules of Fours' 四个四四法则

Four fours

  • abstract: Four fours is a mathematical puzzle. The goal of four fours is to find the simplest mathematical expression for every whole number from 0 to some maximum, using only common mathematical symbols and the digit four (no other digit is allowed).

以上来源于: WordNet

双语例句权威例句

  • Tracks from heavy trucks and four-by-fours tore deep into the ground, a carelessness that could take hundreds of years for the desert's slow systems to repair.

    重型卡车四驱车留下车辙深深的陷入地表对于更替速度缓慢沙漠生态系统来说,如此不负责任的破坏行为需要上百年时间才能被完全修复。

    youdao

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