英语词汇ultradian怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	ultradian
释义	ultradian /ʌlˈtreɪdɪən/ adjective Physiology (of a rhythm or cycle) having a period of recurrence shorter than a day but longer than an hour 【生理】次昼夜的, 亚昼夜的。比较INFRADIAN. 词源 1960s: from ULTRA- 'beyond' (being of greater frequency than circadian) + -IAN
随便看	crotch crotchet crotchetiness crotchety crotchless croton croton oil crottin crottle crouch crouch over croup croupade croupier croupy croustade croute crouton Crow crow crowbait crowbar crowberry crowd crowdedness

英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。