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找到相关的双语例句15条
1. Because the genetic make-up of the captive, breeding parrots is now known, it is possible to use DNA technology to compile a genetic family tree for their offspring.
由于人们已经得知人工繁殖的鹦鹉的基因组合,所以可以运用DNA技术为鹦鹉的后代组编基因家谱。
-- 来源 -- environment - 汉英 好评(10) 差评(0)  
 
2. I sent them also from the Brazils five cows, some sheep, and some hogs, which, when I came again, were considerably increased.
我又从巴西给他们送去五头母牛,几只羊,几头猪,后来我再去的时候,这些牲畜已经繁殖得不少了。
-- 来源 -- 英汉 - 辞典例句 好评(10) 差评(0)  
 
3. This horse has sired several race winners.
这匹马已经繁殖了好几匹比赛优胜马。
-- 来源 -- 英汉 - 短句参考 好评(10) 差评(0)  
 
4. The center has had more success breeding and reintroducing black-and-white ruffs.
这个中心倒是已经有许多繁殖成功并野放的黑白颈狐猴。
-- 来源 -- 140.119.115.32 好评(10) 差评(0)  
 
5. 'They used to live to around the age of 50, so that was not a great problem. But now they are being killed off before they can reach even half that age.
他们通常的寿命有50年,但现在他们还没到繁殖年龄的一半就已经被杀死了。
-- 来源 -- news - 汉英 好评(10) 差评(0)  
 
6. Since the birth of Louise Brown, assisted-reproduction technologies have made remarkable progress in helping infertile women and men become parents.
自从路易斯·布朗诞生以来,援助性的繁殖技术在帮助没有生育能力的男女成为父母方面已经作出了极大的贡献。
-- 来源 -- science - 汉英 好评(10) 差评(0)  
 
7. Already their seeds had borne fruit and multiplied.
种子已经结果繁殖了。
-- 来源 -- 名作英译部分 - P_jiashu 好评(10) 差评(0)  
 
8. In this way, DDT before it was banned reached levels high enough to seriously disrupt the re production of many birds in North America, especially hawks, owls, and eagles.
通过这种方式,DDT在被禁止之前其含量已经很高,足以严重破坏北美许多鸟类的繁殖,尤其对于鹰和猫头鹰的破坏更为严重。
-- 来源 -- science - 汉英 好评(10) 差评(0)  
 
9. Amato says that over the course of their studies he and Russello have already uncovered some birds that were said to be products of captive breeding but in reality were not.
阿马托说在研究过程中,他和罗素已经发现一些所谓人工繁殖的鹦鹉实际上并非如此。
-- 来源 -- environment - 汉英 好评(10) 差评(0)  
 
10. Our findings about reproductive biology are still limited, but they indicate that females have their first foal at five or six years of age, rather than the more common four or five years, and then may give birth every other year.
对于非洲野驴的繁殖,我们的研究仍然有限,但是已经观察到雌驴产下第一胎的年龄,并非一般常见的4~岁,而是在5~岁左右,之后则是每隔一年生产一次。
-- 来源 -- 140.138.36.22 好评(10) 差评(0)  
 


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