形容词中文翻译
中文翻译：自发的
同义词：
['unplanned', 'unintentional']
例句：
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1.The spontaneous decision to volunteer for the cause was a brave one.
自发决定为事业做志愿者是一个勇敢的决定。
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2. The spontaneous outburst of joy at the sight of his son made her heart swell with happiness.
看到儿子时，她突然爆发出的喜悦让她的心充满了幸福。
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3. The spontaneous act of kindness from strangers saved the boy's life.
陌生人自发的善举救了那个男孩的生命。