A region is an area lying between two adjacent landmarks.区是两个邻近界标之间的区域.The book stands out as one of the notable landmarks in the progress of modern science.这部著作是现代科学发展史上著名的里程碑之一.British landmarks are the establishment o...
Preventers are usually brown, red or orange inhalers.这些预防类药物通常是褐色, 红色或者橙色的.How can we improve engines, inhalers, and extinguishers?我们怎样改进引擎 、 喷雾器和灭火器?...
Billy leaned forward and brushed a speck of dust off his shoes.比利俯身擦掉了鞋子上的一丝灰尘。...a speck of blood.一点血迹I've got a speck of dirt on my shirt.我的衬衫上有一点污垢.He rejoices at every speck of dust that receives it and lives.他为...