• 2022-06-05 问题

    On May 6, 1954, Bannister established a world record, and this record was not bettered for a long time.

    On May 6, 1954, Bannister established a world record, and this record was not bettered for a long time.

  • 2022-06-15 问题

    中国大学MOOC: 8. She bettered her own record; _____ a record. 她超过了她自己的记录; 打破记录.

    中国大学MOOC: 8. She bettered her own record; _____ a record. 她超过了她自己的记录; 打破记录.

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