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在我有空余时间时，我将会编辑最后一个生物竞赛文档。
I will edit the last biology document for contest in my spare time.
youdao
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他们都想参加明年的生物学竞赛。
They wanted to join in the biology contest next year.
youdao
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他们都想参加明年的生物学竞赛。
They wanted to join in the biology contest next year.
youdao