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1·John experiments with a designer drug being developed that hopes to replicate all the benefits of alcohol without the dangers.

与设计师约翰实验药物开发的希望被复制的危险都没有酒精的好处。

2·The speakers will discuss designer drug trends, testing methods, and intoxication effects, so that attendees will be better prepared to respond to drug testing demands in their own communities.

发言者将讨论策划药的趋势、检测方法和中毒影响，使与会者更好地准备，以应对自己社区药物检测的需求。

3·Here these designer lipid-like peptides may play a key role in improving effective drug delivery systems.

而类脂多肽将在提高药物输送系统效率方面起到重要作用。