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你看见过狗跳起来向主人问候吗？向陌生人狂吠？
Have you seen dogs jump up to greet their owners, bark at strangers or roll over when another dog approaches?
youdao
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你看见过狗跳起来向主人问候吗？向陌生人狂吠？
Have you seen dogs jump up to greet their owners, bark at strangers or roll over when another dog approaches?
youdao