supplementary
/ˌsʌplɪˈmentri/📚 17005 102 1六级托福雅思Supplementary things are added to something in order to improve it. 补充的
adjective [原级]补充的,附加的;(角)互补的
...the question of whether or not we need to take supplementary vitamins.
…我们是否有必要补充维生素的问题。
noun [物质名词]补充者,增补物;<英>补充提问
Its designers were not high-end with supplementary lines.
它的设计师们不是高端产品的补充线。
sup(在下面) + ple(填满) + ment + ary → 在下面填满的 → 增补的, 补充的
单词造句: