A lot of times people are not really aware of the impact they have, or the fact that taking them in combination with other medications might put you at increased risk for something that you wouldn't otherwise being countering or be at risk for.
2016年6月六级真题（第二套）听力 Section B
柯林斯高阶英汉双解学习词典释义
N-COUNT
(商店或酒吧的)柜台
In a place such as a shop or café a counter is a long narrow table or flat surface at which customers are served.