VOA慢速英语:Ketamine Rapidly Eases Depression without Side Effects

短语讲解：

1. Typically by about six hours, people are saying, 'Gosh, I am feeling like a weight is lifted from me.

feel like 摸起来像是…，有…的感觉; 想要…
例句：I don't feel like going anymore.
我再也不想练了。

2. Researchers are looking for ways to make these effects last longer.

look for 寻找（某人或某物）
例句：Second, look for work you believe is worthwhile.
其次，寻找你认为值得做的工作。

3. Researchers in the United States have carried out 6 larger studies on Ketamine and depression.

carry out 执行; 进行; 完成
例句：They should also carry out some fundamental reforms.
这些政府也应该执行一些基础性的改革。

4. "What takes about a couple of hours with ketamine [which] would take approximately six weeks with our standard antidepressants," said Zarate.

a couple of 两个， 几个
例句：I think it will take a couple of quarters.
我想这需要几个季度的时间。

5. Psycho meaning dealing with the mind, pharmacology meaning the study of drugs.

deal with 处理
例句：His work experience equipped him to deal with all kinds of people. 
他的工作经验使他能与各种各样的人打交道。