a brand name for a type of soft, dark brown, salty-tasting food for spreading on bread, made from yeast, that is popular in the UK

something or someone that some people like very much and other people dislike very strongly

He is something of a Marmite presenter - you either love him or you can't bear him. 他作为主持人就像马麦酵母酱一样，你要么爱死他，要么忍受不了他。