He stopped and watched with amusement to see the child so absorbed.他停下来，饶有兴趣地看着孩子如此投入。Those who suffer from narcissism become self-absorbed or chronic show-offs.被自恋症折磨的人会变得只专注于自己的事情，或者不断地自我炫耀。Nutrients from the digested ...
菌柄:蘑菇或伞菌结构的一部分,其上着生菌盖.The stalk of mushroom or toadstool , which bears the cap or pileus.ZR的浓度决定着菌柄在不同发育时期的生长率.The concentration of and ZR corresponded with stipe growth rate in different development stage.本试验从菌柄基部分离得到2支...
Machine parts of irregular shape can be washed very clean by ultrasonics.用超声波能把形状不规则的机件洗得很干净.In medical and other applications of ultrasonics , a variety of electronic instrumentation is used.超声波在医学和其它应用中, 要使用许多电子仪器设备.Th...