bred

1. All of these types of carrot have been specially bred .

所有这些类型胡萝卜都是经过专门繁殖。

2. The era 's globalism bred long-distance passions for pictures and plants .

那个时代的全球化孕育了对远方美丽的风景和各种植物的热情。

3. Dogs are often bred far too frequently , are kept cramped together in squalor , and are not socialized with humans .

狗狗们经常被过度繁殖，极不卫生的拥挤在一起，也没有和人类的社交训练。

4. This approach has been successful in animals : mice have been bred whose white blood cells can rapidly surround and destroy injected cancer cells .

此方法在动物身上做试验取得了成功，小鼠体内繁殖的白细胞迅速包围并破坏了注入的癌细胞。

5. Broiler chickens are selectively bred and genetically altered to produce bigger thighs and breasts , the parts in most demand .

肉鸡被选择性地繁殖和实行基因改变，而长出更大的大腿和鸡脯肉，这些是需求量最大的部分。

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