The scientists now divided their volunteers in half. One group was told to start logging their daily exercise sessions onto a study website.
科学家们把志愿者平分成两组。一组被要求把每天的锻炼时间记录在一个研究网站上。
Formerly a constellation in the southern hemisphere lying between Canis major and the southern cross now divided into four smaller constellations carina puppis pyxis and Vela.
南船(星座)从前的一个南半球星座，位于大犬座与南十字座之间，现分四个较小星座，船底座，船尾座，罗盘座及船帆座。
Formerly a constellation in the southern hemisphere lying between Canis major and the southern cross now divided into four smaller constellations carina puppis pyxis and Vela.
南船(星座)从前的一个南半球星座，位于大犬座与南十字座之间，现分四个较小星座，船底座，船尾座，罗盘座及船帆座。
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