I'm trying to isolate mesenchymal cells.

我想把间质干细胞分离出来。

The attacks are not just the work of isolated cells, it would have appeared, but of a network of violent militants based in Europe who will be trying to strike again.

这些袭击事件不是独立作案，而是总部在欧洲的暴力武装分子在连续作案。