It is nearly always women who are the primary care givers.从事初级保健护理工作的几乎都是女性。She denied the murder of four children who were in her care.她否认杀害了她所照管的4个孩子。Condoms are an effective method of birth control if used with care.如...
The microstructure of the film was studied by scanning electron microscope.用扫描电镜观察了膜的微观形态.The microstructure and its change during burning process was introduced.介绍了木质陶瓷的微观结构及其在焙烤过程中的变化机理.The results are important to ana...