2. Moreover, the daughter that retained the old DNA also retained the cell-surface proteins that mark the
putative cancer stem cells.
而且,保留了原来DNA的子细胞同时也保留了假定的肿瘤干细胞特有的细胞表面蛋白。
3. Breyault said the number of email scams -- like the one from the
putative prince who will make you rich if you just send $10, 000 -- are down, probably partly because of better spam filters.
布莱尔提到大量的关于电子邮件的诈骗已经降低很多--例如来自假冒王子提出如果你邮寄给他10,000美元他会让你富起来,很大原因是有了更好的垃圾邮件过滤器。