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	Hooke hooked Hooker hooker Hooke's law hookey hook it hookless hooklet hook-like hook, line, and sinker hook nose hook-nosed Hook of Holland hook shot hooktip hook up hook-up hookworm hooky hooley hooligan hooliganism hoolock hoon

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