1.ADJ 形容词 一次性的;用完即弃的 A throwaway product is intended to be used only for a short time, and then to be thrown away.

【搭配模式】：ADJ n

Now they are producing throwaway razors.他们正在生产一次性剃须刀。A throwaway is a throwaway product. 一次性产品

She's taken surplus goods and throwaways and given them useful new lives with the aid of paint and imagination.借助于油漆和想象力，她赋予了剩余商品和一次性产品新的功用和生命。

2.ADJ 形容词 (讲话、动作)不经意的，随意的 If you say that someone makes a throwaway remark or gesture, you mean that they make it in a casual way, although it may be important, or have some serious or humorous effect.

【搭配模式】：ADJ n

...a throwaway remark she later regretted...她脱口而出后就后悔的话

The humour and throwaway lines ensure that the piece never loses its pace.幽默和即兴的台词确保了这出戏自始至终的流畅。