他因为没学习，所以考得很差。
He did badly in the test because he didn't study.
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did英 /dɪd/|美 /dɪd/
解释
did 是动词 do 的过去式，表示"做、完成"的动作。
He did badly in the test because he didn't study.
did 是动词 do 的过去式，表示"做、完成"的动作。