Sapium discolor's morphological character seed - collecting and seedling - raising , cultural technique are presented.介绍了山乌桕的形态特征, 采种 育苗和造林技术.Smoking and some medications can also discolor teeth.当然,抽烟和一些药物治疗也有可能引起牙齿...
搞阴谋诡计的人,必然要落得可耻的下场.Plotters come to no good end.看不见的手的效能必然要相应地降低.The virtues of the invisible hand must be that much discounted.罗伯特每年必然要被赠予一千镑.Robert was inevitably endowed with a thousand pounds a year....