| 词汇 | 年深日久 |
| 释义 | 年深日久年深日久[nián shēn rì jiǔ]1.■timeworn; after a long lapse [period] of time; age-old; as the years go by; with the passage of time:河里的泥沙淤积在这里，年深日久便成了沙洲。The bar was formed by the mud and sand deposited here over a long period of time. |
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