He's gone to London for skin grafts on his thighs.他去伦敦做大腿植皮手术了.Many of them developed new methods for making the grafts take.他们许多人想出了新办法使嫁接成活.Frequently skin grafts failed to take.植皮常常失败....
Cortical grafts, whether autogeneic or allogeneic, at least initially act as weight - bearing space fillers or struts.皮质骨移植, 无论自体的或者异体的, 至少早期起到承重空间填充或支柱的作用.Cancellous allografts incorporate to host bone, as do autogenous...
In olden days the coasts of England were harassed by the Vikings again and again.古时候,英国沿海一带一再受到北欧海盗的窜扰.All over the world, oil spills regularly contaminate coasts.在世界各地，油溢出物经常污染着海岸。Of necessity they are sited near the co...
We live in an era of rationality.我们生活在理性的时代。When the final vote came, rationality took over.最后一轮投票时，理性占了上风。We predicate rationality of man.我们断言理性是人类的属性....