当我们还是男孩时，我经常和他比赛。
I used to race against him when we were boys.
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race英 /reɪs/|美 /reɪs/
解释
race 是动词，意思是"比赛、竞赛"，指参加比赛、与人竞争。例句中 used to 后面接动词原形 race，用来表示过去经常发生的动作。
I used to race against him when we were boys.
race 是动词，意思是"比赛、竞赛"，指参加比赛、与人竞争。例句中 used to 后面接动词原形 race，用来表示过去经常发生的动作。