问题描述: 一到二十的序数词用英语怎么写? 1个回答 分类:英语 2014-10-21 问题解答: 我来补答 first secondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieth 展开全文阅读