Opacity of the eye lens can be induced by deficiency of certain vitamins.眼球晶状体的混浊可由缺乏某些维生素造成。He insisted that the mineral content of the water determined the opacity.他坚持认为水的清澈程度取决于其中矿物质的含量。Opacity of the lens is readily ...
The heart transplants have been read about and discussed everywhere.人们已读到关于心脏移植的报道,到处都在议论此事....drugs which will fool the body into accepting transplants.能使身体顺利接受移植器官的药物In many bone transplants, bone can be taken from oth...