Purpose To observe an immune response to acupoint injection of pertussis vaccine.目的观察百日咳疫苗穴位注射的免疫应答.Purpose To investigate acupoint specificity of electroacupuncture preconditioning effect on cerebral ischemia.目的:探讨电针诱导大...
These large institutions make — and change—the rules to suit themselves.这些大机构总是随意制定规定，而且说变就变。Wind turbines are large and noisy and they disfigure the landscape.风力涡轮机个头大、噪音响，还会破坏周边风景。Fiction takes up a large slice of the ...
School trips give children firsthand experience not available in the classroom.学校组织的出游能让孩子们获得在课堂上得不到的亲身体验。I heard her news firsthand.我直接从她本人那里听到她的消息.I learned the news about her mother's illness firsthand from Lena....