科学家们已经能够排除猪器官中和人体血液不相容的部分细胞了，本次突破正是在此基础上实现的。
The breakthrough came after scientists were able to remove a section of pig DNA, which had made the pig organs incompatible with human blood.
Brown指出，一个可能的原因是虽然抗体不能完全中和病毒，但是仍然起部分保护作用。
One possible explanation is that antibodies that are not able to fully neutralize a virus can nevertheless offer some protection against infection, Brown says.
怀斯曼指出，尽管欺凌往往成为孩子们高中和初中经历的一部分，但它是可以制止的。
Wiseman believes that, although bullying is unfortunately often part of the high school and middle school experience, it can be stopped.
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