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So he backed up a few paces, got a running start, jumped up, but could not reach the grapes.
于是他后退了几步，向前一冲，跳起来，却无法够到葡萄。
youdao
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He backed up a few steps.
他后退了几步。
youdao
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He backed up my point of view.
他支持我的观点。
youdao
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He backed up his arguments with facts.
他用事实支持自己的论点。
youdao
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He backed up his arguments with facts.
他用事实支持自己的论点。
youdao