Iberia Airlines of Spain regret a delay of two hours on their flight IB 551 to Madrid.非常抱歉,前往马德里的西班牙伊比利亚航空公司的IB551次航班将延迟两个小时起飞.From a strategic point of view , too , both BA and Iberia badly need more bulk.同样,从战略角度来看, 英航...
An atoll is a ring - shaped island that encloses a central lagoon.环礁是一座环状的岛屿,中心围起一团海水形成泻湖.The wall encloses the hospital.围墙将那所医院围在里面.A wall encloses the park.墙围着公园.An unspoilt coral reef encloses the bay.未受破坏的珊瑚礁环绕在海湾周围。...
Lectin is a large molecule glucoprotein and can agglomerate the cell.凝集素是一种能作用于细胞使其凝聚的大分子物质,大多属糖蛋白.The structure of the chlorophyll molecule is known . It consists ofporphyrin.叶绿素的分子结构已经搞清, 它是由卟啉组成的.Scientists call this ...