名词
中文翻译：大狗
同义词：
['large dog', "big dog例句：1. The big dog was protecting its owner's property.（这只大狗正在保护主人的财产。）"]
例句：
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1. The big dog was protecting its owner's property.
这只大狗正在保护主人的财产。
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2. The big dog barked loudly at the stranger.
那只大狗对着陌生人大声吠叫。
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3.The big dog was a loyal companion to its owner.
这只大狗是它主人忠诚的伴侣。