校园口语习语大全U-1:under one's own steam 独立（mp3和文本下载）

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U-1:under one's own steam 独立

A:Did you finish your homework under your own steam?
A:你是独立完成的作业吗？

B:Yeah.
B：是的。

A:Then how was it you failed the exam? They were the same questions, you know.
A:可为什么你考试不及格？你该知道，题目都是一样的呀！