Objective : To evaluate the sex therapy for erectile dysfunction ( ED ).目的: 探讨 ED 性治疗的临床应用.Its main bridge - a huge concrete structure - now lies concertina ed on the riverbed.钢筋混凝土结构的主要桥梁,被扭扁坍塌在河床.The mechanisms leading...
我们谨记母亲不许我们在人前炫耀的严厉教诲。We remember our mother's stern instructions not to boast.有严格的着装规定：不许穿运动鞋和牛仔裤。There is a strict dress code: no trainers or jeans.这是否意味着熄灯以后不许有性行为？Does this mean no hanky-panky after lights out?...