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这是在古桑园，我们去野餐…
We were in Gusangyuan Park.
youdao
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桑园间作是造成病害交互感染的重要原因。
The major reason for cross infection was interplanting in mulberry fields.
youdao
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桑园间作是造成病害交互感染的重要原因。
The major reason for cross infection was interplanting in mulberry fields.
youdao