All the units employ hollow burned - clay blocks as the basic raw material.所有构件都用空心陶土砖做基本原料.Analogue computers are generalpurpose devices which employ laws of physics for performing mathematical operations.模拟计算机是用物理定律进行数...
It was as if Osmond deliberately , almost malignantly, had put the lights out one by one.仿佛奥斯蒙德怀着幸灾乐祸的心情, 在有意识地把灯一盏一盏吹灭.Neck of uterus can live after scalelike cell cancer performs an operation malignantly successfully h...