社区广播电台和商业广播电台一直是有区别的。There has always been a difference between community radio and commercial radio.他现在是一位教师，并且是社区内受人尊敬的一员。He was now a teacher and a respectable member of the community.为什么像大学这样人才济济的社区要害怕虚无主义呢？Why shoul...
The contents of camphor, mentholum, isoborneol and borneol in Guanxingao are determined by gas chromatography.用气相色谱法测定了冠心膏中樟脑 、 薄荷脑 、 异龙脑和龙脑的含量.Objective : To establish a Capillary GC method for the determination of Isob...
我用拇指指甲把台灯上的螺钉拧紧了。I used my thumbnail to tighten the screw on my lamp.我尤其喜欢那种用螺钉固定在墙上的搁板。I particularly like the type of shelving that screws to the wall.每个托架只用了3颗螺钉固定在墙上。Each bracket is fixed to the wall with just three ...