形容词
中文翻译：婴儿的
同义词：
['infantile', 'pediatric例句：1. The baby was so cute', "with its infantile face and big eyes.（宝宝非常可爱，有着婴儿般的面孔和大眼睛。）2. The child's infantile playfulness is infectious.（孩子的天真无邪令人感染。）"]
例句：
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1. The baby was so cute, with its infantile face and big eyes.
宝宝非常可爱，有着婴儿般的面孔和大眼睛。
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2. The child's infantile playfulness is infectious.
孩子的天真无邪令人感染。
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3. The infantile behavior of a newborn is often misinterpreted as aggressiveness.
新生儿的天真行为往往被误解为攻击性。