朋友搬走后,孤独和悲伤的情绪淹没了他。

Feelings of loneliness and sadness overwhelmed him after his friend moved away.

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Feelings of loneliness and sadness overwhelmed him after his friend moved away.

sadness 是形容词 sad(悲伤的)加上名词后缀 -ness 构成的名词,表示"悲伤"的状态或感受。

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