wastefulKK [ˋwestfəl] /ˈweɪstfəl/发音形容词1浪费的、挥霍的Throwing away so much food every day is incredibly wasteful.每天丢掉这么多食物实在非常浪费。2不经济的、耗费资源的The old heating system is wasteful and expensive to run.这套旧的暖气系统既耗能又花钱。3奢侈的、大手大脚的形容人He was criticized for his wasteful spending habits.他因为花钱大手大脚的习惯而受到批评。用这个字练口说→