她有一个无忧无虑的童年,充满了欢笑和冒险。

She had a carefree childhood, filled with laughter and adventure.

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She had a carefree childhood, filled with laughter and adventure.

carefree 是由 care(忧虑、担心)和 free(自由的、免除的)组成的复合形容词,字面意思是"免于忧虑的",引申为"无忧无虑的"。

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