丹尼朝下望去，只见溪水潺潺流过附近的树林。Danny looked down at the stream bubbling through the trees nearby.一条沟把溪水引到田间.A ditch diverted water from the stream into the fields.溪水蜿蜒流经山谷.The stream winds through the valley....
In this paper , the uniquely functionalized antifoulant acrylamide monomers derived are designed and synthesized.分别以含辣素衍生结构的丙烯酰胺为防污剂、以含辣素衍生结构的丙烯酸树脂为成膜物质制备两类防污涂料.They began to walk between rows of uniquely constructed tom...