1到20的英语序数词简写为:1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th, 11th, 12th, 13th, 14th, 15th, 16th, 17th, 18th, 19th, 20th。 序数词的基本概念与用途 序数词在语言学中扮演着至关重要的角色,它们用于表示事物在序列中的位置或顺序。与基数词(...