The increasing use of genetically modified mice since their advent 20 years ago amplifies this problem.

自从20年前面世以来被用得越来越多的基因重组鼠使这一问题变得更加严重。

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 11.01.2011

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 11.01.2011

The Mouse gave a sudden leap out of the water, and seemed to quiver all over with fright. 'Oh, I beg your pardon!' cried Alice hastily, afraid that she had hurt the poor animal's feelings. 'I quite forgot you didn't like cats.'

老鼠一听这话， 突然跳出水面， 吓得浑身发抖， 爱丽丝怕伤害了这个可怜的小动物的感情， 赶快说：“请原谅我！ 我忘了你不喜欢猫。”

Carroll, Lewis / Alice's adventures in Wonderland卡罗尔 刘易斯 / 爱丽丝梦游仙境

爱丽丝梦游仙境

卡罗尔 刘易斯

Alice's adventures in Wonderland

Carroll, Lewis

© 1901, by Harper & Brothers

However, it was over at last, and they sat down again in a ring, and begged the Mouse to tell them something more.

不管怎么说， 最后， 糖果总算吃完了， 这时它们又围成一个大圈坐下来， 请求老鼠再讲点故事。

Carroll, Lewis / Alice's adventures in Wonderland卡罗尔 刘易斯 / 爱丽丝梦游仙境

爱丽丝梦游仙境

卡罗尔 刘易斯

Alice's adventures in Wonderland

Carroll, Lewis

© 1901, by Harper & Brothers