Also remember that the numbers one (1), two (2), and three (3), and then twenty-one (21), twenty-two (22), twenty-three (23), and so forth, use a different form for stordinal numbers; it's not a " th" .
还要记得,
字一(1)、二(2)和三(3),以及二十一位(21)、二十二位(22)、二十三位(23)等等, 它们的
词形式是不同的;不是用" th" 。