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.
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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