inter-,在内，在中间，相互，breed,繁殖，生育。引申词义杂交繁殖。

1. Since the birds interbreed they cannot be classed as different species.

由于这些鸟进行杂交繁殖，不能把它们归为不同的物种。

2. To mate so as to produce a hybrid; interbreed.

杂交为产生杂种而交配; 杂交.

3. These species do not interbreed.

这些物种不能杂交.

4. It enables scientists to transfer genes between different species that would not interbreed in nature.

它使科学家之间的转移基因的不同物种,不会杂交的性质.

5. They were rare , and the pure - strain wild turkeys had begun to interbreed with farmers domestic stock.

纯种野火鸡已经和农户的家养火鸡混种,品种质量有所下降.