名词中文翻译1
中文翻译：Unknown
同义词：
['grandchild', 'nephew']
例句：
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1.My grandnephew is a great helper at home.
我的孙子在家里是个很好的帮手。
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2.He has two grandnephews and one grandniece.
他有两个孩子和一个女孩。
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3. The grandnephew was very helpful during the family gathering.
这个孙子在家庭聚会上非常有帮助。