- 1. It is probably a result of crossbreeding.
- 它可能是杂交繁殖的结果。
youdao
- 2. But traditional crossbreeding is a slow process.
- 但是，传统的杂交育种是一个缓慢的进程。
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- 3. First successful crossbreeding of the cat and the rabbit.
- 第一次成功交叉喂养猫和兔子。
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- 4. Therefore it is suitable to use the process of crossbreeding to increase their contents.
- 因此要提高它们的含量宜采用杂交育种途径。
youdao
- 5. Therefore it is suitable to use the process of crossbreeding to increase their contents.
- 因此要提高它们的含量宜采用杂交育种途径。
youdao
