基本解释n.字母；字形同根派生 英汉例句用作名词 (n.)It was only the grapheme that has the main role for foreign students with an ideographic writing system at the primary stage and the intermediate stage.无论是初级汉语水平还是中级汉语水平的表意文字背景留学生，都是字形发挥主要作用。