VOA慢速英语:Drink and Smoke Go 'Hand-in-Hand,' Scientists Say

短语讲解：

1. Smoking and drinking seem to feed on each other.

each other 互相，彼此
例句：Her imagination and her reason are not at war with each other.
她的想象力和理解力互不矛盾。

2. That drug, nicotine, can be addictive; smokers need more cigarettes because of their body’s growing dependence on the drug.

because of 因为，由于
例句：He is feeling wretched today because of the rain.
因为下雨，他今天情绪很不好。

3. In fact, earlier research shows that more than 85 percent of alcohol-dependent American adults also depend on nicotine.

in fact 事实上; 实际上
例句：They were in fact casual.
事实上，他们确实不修边幅。
depend on 依赖; 相信; 信赖
例句：You may depend on me to help you.
你放心，我会帮助你的。

4. According to the Psychology Definition website, that area is responsible for memory, learning and attention.

according to 根据，按照
例句：According to her, grandfather called at noon.
据她说,祖父在中午打来电话。