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新东方-柯林斯雅思备考词典
wasteful
英 [ˈweɪstfʊl]
[ADJ]
1. 浪费的
Action that is wasteful uses too much of something valuable such as time, money, or energy.
双语例句
例：This kind of training is ineffective, and wasteful of scarce resources.
这种训练没有效果，而且浪费了稀有资源。