A steamer takes on a pilot before coming into a strange harbour.轮船进入陌生的港口前要雇用引航员。The steamer calls at several ports along the way.一路上,汽船在好几个港口停靠。One summer, pumping stations such as steamer general, maintenance, operatio...
细胞互相嵌合在一起,形成连续的薄层.Cells fit together to form a continuous sheet.表皮细胞接触处密生齿状突起, 且互相嵌合.Contact with the epidermal cells of Health dentate processes, and mutual chimera.嵌合抗体可以很好的与病毒preS1结合,对阳性血清的检测效果与鼠单抗一致.The cAb well reac...