英语高手们帮我解释一段马克吐温的文章中的短语
Maybe our life there was not so brisk as life at "thefront”;still it was brisk enough,in its way-one's brains didn't cake together there for lack of something to keep them stirring.
里面brain为啥要加s?cake together是啥意思?
多谢赐教!
不要拿词霸的翻译糊弄我！！！！