英语词汇concentration span怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	concentration span
释义	concentration span /ˌkɒns^ənˈtreɪʃ^ən spæn/ n. 注意力集中时间
随便看	sayid sayid saying saying sayings say Kaddish sayon sayonara sayonaras says say-so say what you like about sb say what you like about sth say when sayyid sayyids say–so saz sazerac sazhen Saïs Saône Saône-et-Loire SB Sb

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