名词
中文翻译：三头怪物
同义词：
['triplet', 'triplet monster']
例句：
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1.The threelings were playing in the park.
三个孩子在公园里玩耍。
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2. The threelings were playing hide-and-seek in the forest.
三个孩子在森林里玩捉迷藏。
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3.The threelings were playing with their toys in the living room.
三个孩子在他们的房间和他们的小玩具一起玩。