Objective : To study the feasibility of spermatogonial stem cell allotransplantation.目的: 研究同种生精干细胞移植的可行性.Limb allotransplantation is an important procedure for reconstruction of limb defects.同种异体肢体移植是解决肢体缺损的重要方法,本文阐述了该项技...
It has been pouring in Delhi almost non stop for the past three days, disrupting normal life...德里市在过去的3天里一直在下着倾盆大雨，几乎没有停过，扰乱了人们的正常生活。To a limited extent one can compare Beijing to Delhi. Wide roads, flyovers andand forma...
I noticed, behind the neutrality of his gaze, a deep weariness.我注意到他不露声色的注视背后藏着深深的厌倦。He showed absolutely no signs of weariness.他毫无倦意。Despite his weariness, Brand mustered a wan smile.虽然精疲力竭，布兰德还是无力地笑了笑。...
维生素B可以促进红细胞再生。Vitamin B assists in red-blood-cell regeneration.细菌一进入血液里，就附着在红细胞表面上。Once in the bloodstream, the bacteria adhere to the surface of the red cells.红细胞大致呈圆盘状。Red blood cells are roughly the shape of a disk....
He had jumped overboard in New York harbor and swum to shore.他在纽约港跳下船，游上了岸。His sailing instructor fell overboard and drowned during a lesson.他的航海教练在一次训练课时从船上失足跌入水中，溺水身亡。Women sometimes damage their skin by going overboar...