fairyzhangyanting
楼主：
retrospect; review; run; trace back to; ascend;
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peipei1222
date back to[英] [deit bæk tu:] [美] [det bæk tu] 追溯到…， 从…开始；The history of hockey can date back to thousands of years ago. 曲棍球的历史可以追溯到数千年前.
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