食盐是钠和氯的复合物.Common salt is a compound of sodium and chlorine.它们粘附在抗原 ― ―抗体复合物上.They bind to antigen -- antibody complexes.后一类物质中最有特征性的成份是鼠李糖 - 葡萄糖-IAA糖苷复合物.The best characterized member of this latter group is a rhamnose ...
大风刮倒了树木和电线。High winds have knocked down trees and power lines.风力仍在增强，接近9级大风。The wind was still rising, approach-ing a force nine gale.在一次大风中，船断成了两截。In a severe gale the ship split in two....
在工业上，金刚石可以用作工具表面坚固、耐腐蚀的覆盖层。In industry, diamond can form a tough, non-corrosive coating for tools.覆盖层屏蔽掉了放射性.Overburden had concealed the radioactivity.覆盖层升高至地表.The confining material rises to the surface....