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	bulletin bulletin board bullet point bulletproof bullet train bull fiddle bullfight bullfighter bullfighting bullfinch bullfrog bullhead bullheaded bullheadedly bullheadedness bullhorn bull huss bullion bullion knot bullish bullishly bullishness bull kelp bull market bull-mastiff

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。