Men and women alike have been constricted by traditional sexual roles.男性和女性同样受到传统性别角色的束缚。My throat constricted, so that I had to concentrate on breathing.我的嗓子发紧，所以我不得不把注意力集中在呼吸上。Many of the women I spoke to left because ...
ObjectiveTo evaluate PTFE AV graft as a vascular access for hemodialysis.目的 评估运用PTFE人工血管建立血液透析通路的价值.Purpose : To explore the application of vascular allografts for hemodialysis access.目的: 研究同种异体血管移植在建立透析通路中的应用.The treatm...
Due to carelessness, his head hit the doorframe with a loud bang.他不小心把头撞到了门框上,一声钝响.Mother held on to the doorframe and almost fell.母亲手扶着门框,几乎跌倒.He flushed the bottom of the doorframe.他把门框的底部调到水平状态....