life sentence和life imprisonment的区别是什么啊啊?

life sentence指的是法官的判决
life imprisonment是指犯人的刑期 主语不用
再问： 那也就是说，犯人自己表达用的是life imprisonment啊！那Was sentenced to life imprisonment 呢？
再答： The criminal Was sentenced to life imprisonment。主语是犯人 The judge annoouced life sentence to the criminal.主语是法官 O(∩_∩)O~