常常是用离心法分段收集沉淀的.Precipitates are usually collected by centrifugation at intervals.它可以用离心法分离.This can be separated by centrifugation.结论: 密度梯度离心法分离获得的人胚胎骨髓间充质干细胞纯度高.Conclusion: High purity of MSC can be obtained by density ...
Michael was showing the nurse how to suction his saliva.迈克尔正给护士示范如何把他的唾液吸出来。He wiped a dribble of saliva from his chin.他擦掉了下巴上的几滴口水.Saliva dribbled from the baby's mouth.唾液从婴儿的嘴里流了出来....
Regular buffing helps prevent nails from splitting.经常抛光保养指甲可以预防指甲劈裂。He was already buffing the car's hubs.他已经在擦汽车轮毂了。The buffing wheel can avoid the hazardous process of polishing medium painting.该抛光轮可避免涂抹抛光介质这一危险工序...
Leonardo made quite a point of distrusting the knowledge that scholars professed so dogmatically.雷钠德郑重宣布他不相信经院派学者奉为金科玉律的知识.Distrusting, lying. Damn it, it is more and more like marriage.变脸:猜疑 、 谎. 妈的, 这越来越象婚姻了.Distrustin...