It was concluded that Tpo may be a possible autocrine factor of HEL cells.实验结论提示Tpo可能是HEL细胞的自分泌因子.He often hel me with maths when I have difficulty in it.当我学数学有困难时,他经常帮助我.Minute Beep is the tool that hel you to reduce ca...
Hun-garian businessmen have had a head start over most of their Eastern European neighbors.匈牙利商人已经领先于东欧邻国的大多数同行了。Prime Minister Hun Sen has sought to steer a course between the two groups.洪森首相设法游走于两个集团之间。The fifth centur...