一节沟槽a length of guttering一些砂洲和沟槽在低潮位时,露出于水面.Some of the bars and troughs are exposed by low tide.极耳产生一种 “ 压力 ” 作用与沟槽侧边相接触.The lug produces a " pinched " effect contact with the groove side....
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...
Better fastening between sill and wall footing would be beneficial.改善地基与墙基之间的连结是有益处的.The landscape of the Great Wall is like a dragon.长城的全景像一条龙.The heavy oil is distributed at handing wall, light oil and gas reservoir at...
“我不是在多管闲事，”肯沃西温和地说，“我只是好奇罢了。”"I'm not meddling," Kenworthy said mildly, "I'm just curious."“很抱歉打扰您。”韦布温和地说。"I'm sorry to disturb you," Webb said gently.“她不归你负责，”他温和地说道。"She's not your responsibility,"...