The goal is complete abstention from all mind-altering substances.目标是彻底戒绝所有致幻物质。The eighteenth century sought to refine upon Shakespeare by altering and adapting his plays.18世纪,人们试图通过改编莎士比亚的作品来超过他.Aircraft can avoid each...
Aircraft can avoid each other by going up and down, as well as by altering course to left or right.飞机可以通过上下升降和左右移动改变航线来避免相撞。Aircraft can avoid each other by going up and down, as well as by altering course to left or rig...
The degree of recombination is reciprocal in most cases.重新结合的程度在大多数情况下是相互的.The committee recommended that recombination DNA work at Princeton be considered in this same light.委员会建议用同样的观点来考虑在普林斯顿的重组体.ECHO cloning is a rap...