单词 under-sequence 释义 ˈunder-ˌsequence(under-1 6 b.)1863‘Cavendish’ Whist (ed. 5) 19 Sequences which do not head a suit in a hand are called under sequences.Ibid. 24 When an under sequence is formed by intermediate cards. 英语词典包含277258条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。