Question

wasteful adj.浪费的;挥霍的;奢侈的;〈诗〉荒芜的; noun:wastefulness~adv:wastefully~

Accepted Answer

英[ˈweɪstfl]  美[ˈwestfəl] ADJ-GRADED浪费的;耗费的;挥霍的Action that is wasteful uses too much of something valuable such as time, money, or energy.例：This kind of training is ineffective, and wasteful of scarce resources...这种训练没有效率，而且是对稀缺资源的浪费。例：Try to avoid wasteful duplication of effort.尽量避免无用的重复劳动。

单词	wasteful
音标	英[ˈweɪstfl] 美[ˈwestfəl]
解释	adj.浪费的;挥霍的;奢侈的;〈诗〉荒芜的;
例句	ADJ-GRADED 浪费的;耗费的;挥霍的 Action that is wasteful uses too much of something valuable such as time, money, or energy. 例：This kind of training is ineffective, and wasteful of scarce resources...这种训练没有效率，而且是对稀缺资源的浪费。例：Try to avoid wasteful duplication of effort.尽量避免无用的重复劳动。
变形	noun:wastefulness~adv:wastefully~

Wasteful 英[ˈweɪstfl 美[ˈwestfəl Adj.浪费的;挥霍的;奢侈的;〈诗〉荒芜的 Adj Graded 浪费的;耗费的;挥霍的 Action Valuable