1·I wonder if, 150 years ago, Mr. Packer would be riding the train at all, or if he would have stayed home, afraid to engage in an evolving society and demanding that the trains be stopped.
我很好奇啊，150年前帕克先生肯定不会坐火车吧！ 可能他就是待在家里，唯恐自己被卷入火车贻害社会的罪行中，终日嚷嚷着让火车停下。
2·This phenomenon was observed by Craig Packer, a wildlife biologist at the University of Minnesota.
这种现象是明尼苏达大学的野生生物学家克雷格·帕克尔观察到的。
3·Packer was an American gold prospector and convicted cannibal.
帕克是一名美国金矿勘探者及食人犯。
4·Packer says introducing new genes raises the chances that an isolated group can resist novel diseases or genetic defects.
帕克说，引入新的基因，给孤立的种群一个新的机会，让它们可以抵御新的疾病或遗传缺陷。
5·Most importantly, Twitter is transforming the nature of news, the industry from which Mr. Packer reaps his paycheck.
最重要的是，Twitter改变了新闻的本质，改变了帕克先生谋生行业的本质。