a written symbol that is used to represent speech;
"the Greek alphabet has 24 characters"
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。