The late Cretaceous extinction of the dinosaurs and ammonoids was just one of the more drastic in a whole series of such recurrent extinction episodes.
在这一系列周期性物种灭绝事件里，白垩纪晚期恐龙和菊石的灭绝仅仅是其中一个比较严重的事件。
Poverty is a recurrent theme in her novels.
贫穷是她的小说中惯有的主题。
The devastating floods and droughts that imposed a recurrent tax of suffering on the fellah in no longer occur.
过去给农民带来灾难的水旱灾害，现在也不再发生了。
The purpose of this study was to investigate the etiology, clinic featuer, and therapy of recurrent nodular nonsuppurative.
该研究的目的是研究复发性结节性非化脓性脂膜炎的病因、临床表现以及治疗方法。
The recurrent fad bloomed again.
那种周期性风尚又盛行起来了。
Recurrent and intrusive thoughts about the abortion or the aborted child.
想起流产和流产儿时反复出现烦扰情绪。
Radiofrequency ablation may be used repeatedly to treat recurrent liver tumors.
射频消融术可反复使用以治疗复发性肝肿瘤。
One of his recurrent warnings is to allow for the complexities of human emotions.
他反复提醒的是要考虑到人类情感的复杂性。
The patient the Missouri doctors operated on had a recurrent and life threatening brain tumor.
一个病人在密苏里州因经常性和危及生命的脑瘤而进行手术治疗。
Some people with recurrent stones choose to take prescription diuretics to reduce the risk.
有些得复发性肾结石的人选择处方利尿剂来降低风险。
Migraine causes recurrent headaches on one side of the head that last for more than four hours.
偏头痛会造成头的一侧周期性头痛，持续时长可达4个多小时。
Alcohol abuse is a drinking pattern that results in significant and recurrent adverse consequences.
滥用酒精是一种导致严重的周期性负面后果的饮酒方式。
What's important, say experts, is that patients have multiple strategies to help prevent recurrent attacks.
专家说，重要的就是患者应该有多种策略，以防止肾结石反复发作。
A: Asthma is a chronic breathing disorder characterized by recurrent attacks of breathlessness and wheezing.
答：哮喘是一种慢性呼吸疾病，特征是呼吸急促和喘息反复发作。
This is known as hypersomnia, recurrent sleepiness that makes people want to nap repeatedly, even at work.
这被称为嗜睡症，周而复始的困意让人想不时的打一会盹，即使是在工作的时候。
And there is lots of evidence that fluid intake is very effective in staving off recurrent kidney stone attacks.
有大量的证据表明，摄入大量流体对于延缓经常性肾结石发作是非常有效的。
Depression may also lead to early addictive smoking, and recurrent depression impedes smoking cessation attempts.
抑郁也可能导致更早有烟瘾。反复的抑郁妨碍了戒烟的尝试。
Asthma is a chronic disease of the airways characterized by recurrent attacks of breathlessness and wheezing.
哮喘是一种慢性呼吸道疾病，以呼吸急促和喘息反复发作为特征。
By rewarding recurrent contributors, Weibo encourages a high level of interactivity from high-profile regulars.
通过不断的奖励互动的参与者，微博在活跃用户中激起了相当高的参与度。
Suppose, along these lines, that A needs to communicate a particular kind of data set to B on a recurrent basis.
假设，遵循这样的路线，A需要与B循环地就特定种类的数据集进行通信。
Some individuals, such as those with chronic or recurrent depression, may need to stay on the medication indefinitely.
一些慢性抑郁或复发性抑郁的患者可能需要长期服药。
It says the main need in many countries is to meet recurrent expenses, such as salaries for health workers and teachers.
报告说，许多国家的主要需求是支付经常性的费用，例如卫生工作者和教师的工资。
Arno Harris is the CEO of Recurrent energy, a leading developer of solar power projects, and an energy industry veteran.
阿诺·哈里斯是再生能源公司(RecurrentEnergy)的首席执行官，这家公司是太阳能发电项目的领先开发商，也是能源行业的资深企业。
The classic form of the illness, which involves recurrent episodes of mania and depression, is called bipolar I disorder.
这种疾病的典型形式包含周期性的躁狂和抑郁，称为双相I型。
Out of the group, 36 percent of girls and 21 percent of boys reported having recurrent headaches within the last year.
这组学生之中有36%的女孩和21%的男孩述称去年曾反复出现头痛的情况。
Recurrent asthma symptoms frequently cause sleeplessness, daytime fatigue, reduced activity levels and school and work absenteeism.
周期性哮喘症状往往导致失眠、日间疲劳、减少活动量，不能上学和工作。
Recurrent asthma symptoms frequently cause sleeplessness, daytime fatigue, reduced activity levels and school and work absenteeism.
周期性哮喘症状往往导致失眠、日间疲劳、减少活动量，不能上学和工作。
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