| 单词 | 燕子衔泥空费力， 乳燕羽丰各自飞 |
| 释义 | 燕子衔泥空费力， 乳燕羽丰各自飞燕子衔泥空费力， 乳燕羽丰各自飞[yàn zi xián ní kōng fèi lì rǔ yàn yǔ fēng gè zì fēi]1.■The swallow building her nest is wasting her energy, for when the little swallows' wings grow strong, they will fly away. |
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