指数 zhǐ shù (numerical, statistical) index(math.) exponentindexexponential (function, growth) Example sentences 今日开盘,恒生指数涨了一个点。 jīnrì kāipán, héng shēng zhǐshù zhǎngle yīgè diǎn. Today's opening session saw the Hang Seng Index rise by one point