supplement

n.增补(物); 补充(物); 添加物; (报纸的)增刊; (书籍的)补编，补遗，附录v.增补; 补充 复数：supplements过去分词：supplemented现在分词：supplementing过去式：supplemented第三人称单数：supplements 牛津词典 noun 增补（物）；补充（物）；添加物a thing that is added to sth else to...