wasteful
/ˈweɪstfl/📚 13305 72 1六级Action that is wasteful uses too much of something valuable such as time, money, or energy. 浪费的
adjective [原级]浪费的，挥霍的
This kind of training is ineffective, and wasteful of scarce resources. 这种训练没有效果，浪费了稀有资源。
单词造句:
This kind of training is ineffective, and wasteful of scarce resources. 这种训练没有效果，浪费了稀有资源。