1 . Since the birds interbreed they cannot be classed as different species.
由于這些鳥進行雜交繁殖，不能把它們歸為不同的物種。
來自柯林斯例句
2 . The whole population is so inbred that no genetic differences remain.
整個族群都是同系繁殖，以至于根本不存在基因差異。
來自柯林斯例句
3 . A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells.
一種叫作吡啶酮的新型抗艾滋病藥物能促使艾滋病毒變異，使其不能繁殖，也不會再感染新的細胞。
來自柯林斯例句
4 . Just because a bird does not breed one year, it does not follow that it will fail the next.
不能因為一只鳥某一年沒有繁殖就斷定它第二年也不會繁殖。
來自柯林斯例句
5 . Sows are immature for the majority of their breeding life.
母豬在它大部分繁殖過程是不成熟的.
來自辭典例句
1 . Infertility
以文本方式查看 ... 溺嬰，殺嬰 Infanticide 不繁殖Infertility 勢力影響 Influence.
2 . not breed
some animals will not breed if they are kept in cages ., 有些動物關在籠子里就不繁殖.
