Stock-breeding. To cross with some better breed. to grade up: to improve the breed of (stock) by grading.
| 单词 | θ55029 |
| 释义 | the world > food and drink > farming > animal husbandry > rear animals [verb (transitive)] > breed > grade (1) grade1874 Stock-breeding. To cross with some better breed. to grade up: to improve the breed of (stock) by grading. |
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