v lead a passive existence without using one's body or mind
v establish vegetation on
v produce vegetation
v grow like a plant
v grow or spread abnormally
v propagate asexually
v engage in passive relaxation
v. 过单调呆板的生活( vegetate的过去式和过去分词 ); 植物似地生长; <医>（瘤、疣等）长大