butter不是可数,butter作为名词时意思为黄油或黄油状之物;做为动词时意思为涂上黄油.是不可数名词。
例句
1、Pour the melted butter into a large mixing bowl.
把熔化的黄油倒在一个搅拌用的大碗里。
2、She spread pieces of bread on the counter and began buttering them.
她把几片面包摆在台上,开始抹黄油。
3、These chaps know what side their bread's buttered on.
这些家伙知道怎样做对他们有利。
用法
butter sb↔up
(informal) 以甜言蜜语巴结某人;奉承;拍马屁
to say nice things to sb so that they will help you or give you sth