The shop assistant has undercharged us.售货员向我们要价很低。He had the impression that they always undercharged him.他觉得他们总是少算了帐.He undercharged me two dollars for the wine.我买这瓶酒他少收了我两美元....
Sludge incineration is a frequently employed disposed method.污泥焚烧也是一种常用的处置方法.There's also dioxin, a byproduct of paper manufacture and waste incineration.还有二恶英, 纸生产和废物燃烧的副产物.Calorific value is the important paramete...
An official decree invalidated the vote in the capital.一份官方法令宣布在首都举行的投票无效。Some of the other criticisms were invalidated years ago.其他的一些批评多年以前就被证明站不住脚。The court rejected EPA's position and invalidated all the BCT reg...