【B1】 [br] 【B9】 [audioFiles]audio_eufm_j01_294(200910)[/audioFiles]it is estimate

游客2023-08-01  15

问题 【B1】 [br] 【B9】

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答案 it is estimated that one third of the adult population regularly take part in outdoor sport and about a quarter in indoor sport

解析 [听音关键词] estimated, adult, regularly, quarter
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