They were slumming all right but they were polite and they seemed nice people.他们好象是来视察贫民窟的,有教养,不失风度.What are they doing drinking at this end of town? Slumming, I suppose.他们为什麽到城里这个地方来饮酒? 我猜是想看看这穷地方的吧.So you were slumming...
用紫外分光光度法研究了胶原生物矿化的机理.The mechanism of collagen mineralization was studied by ultraviolet photometry method.单细胞 无核原生物,具简单的细胞、刚硬的细胞壁和(能动型的)的鞭毛.A single - celled or multicellular organism whose cells contain a distinct memb...