He suffered occasional bouts of depression.
他有时会犯抑郁症。
Unlike the song sparrow, which repeats one of its several song types in bouts before switching to another, the warbler continuously composes much longer and more variable songs without repetition.
北美歌雀在切换到另一种类型之前，会一声一声地重复其中的一种，与之不同的是，北美歌雀会连续地创作更长的、更多变的歌曲，而不会重复。
I have bouts of uncontrollable coughing.
我咳嗽一阵一阵的，止不住。
The dollar suffered periodic bouts of weakness before.
美元之前也经历过周期性的疲软。
It then began to slow in both countries, despite repeated bouts of QE.
然后两国M2的增长都开始放缓，尽管都反复搞量化宽松。
But Dr Bouts explains that the zoo is keen to boost Numbers of this species.
但是动物园方面却热切希望增加白犀牛这一物种的数量。
Monetary growth surged before both bouts ofinflation in 1987-88 and 1993-94.
在1987-1988和1993-1994的阶段性通胀之前，货币供给都有大幅增长。
Aerobic activity should be performed in bouts of at least 10 minutes duration.
有氧活动应该每次至少持续10分钟。
But unlike marketmakers, they are not obliged to do so during bouts of turbulence.
但是不同于市场庄家，他们在股市震荡时没有义务这样做。
Vacations, with their seclusion, quiet and idleness, invite long bouts of reading.
那些闭关的，宁静而又慵懒的假期，暗示我们是时候来点长长的阅读了。
From 1878 to 1905 Sullivan had 35 bouts, winning 31, of which 16 were by knockouts.
从1878年到1905年苏利文一共打了35场比赛，赢了其中的31场，其中又有16场是由击倒获胜的。
Gallup had also studied two women who suffer from chronic bouts of excessive yawning.
盖洛普还对两名打哈欠过度频繁的慢性病人进行了研究。
He engaged in feverish bouts of self-improvement, studying Euclid and grammar at all hours.
他沉迷于自我完善，整日整夜地研究欧几里德和语法学。
No one is immune to these bouts of insecurity at work, but they don't have to hold you back.
没有人可以在工作中摆脱这种不安全感，但是他们并没有退缩。
They enticed 17 hungry hyenas with bones or pieces of meat, and recorded about 250 bouts of giggling.
他们用肉骨头和肉引诱17头饿鬣狗，并由此录下了大约250次的“笑声”。
Goodbye waves, musical phrases, and infants' bouts of babbling and gesturing all last about 3 seconds.
例如，挥手再见，乐曲分句，婴儿的一阵啼哭和其他所有的姿势都持续大概3秒钟。
Greece, with its long history of debt defaults and bouts of high inflation, was the most striking example.
历史上长期存在债务违约并经常发生高通胀的希腊就是最明显的例子。
His life was routinely punctured by bouts of infection, tuberculosis, severe anxiety, toothache and influenza.
他这一生时常受到传染病、肺结核、焦虑过度、牙痛、流感的折磨。
The therapy, carried out by Chicago's Northwestern University, halved the number of bouts of angina chest pain.
该疗法由芝加哥西北大学研制，使心绞痛的发病几率减少一半。
During the Depression his mother, who had bouts of mental illness, turned to writing short stories to generate income;
在经济大萧条时期，冯内古特那患有间歇性精神疾病的母亲意图通过撰写短篇小说获取收入；
Despite decades of research, scientists are still puzzled about what exactly happens in the brain during bouts of depression.
尽管研究了几十年，科学家们仍然困惑于抑郁症发作时大脑中究竟发生了什么。
A: in the battle to cross the Yangtze River in 1949, I contracted the disease for the first time and suffered recurring bouts.
答：在1949年渡江战役中，我第一次得了疟疾，反复发作，吃了不少苦头。
There have been bouts of bloodletting, including a succession battle in 1999 and the departure of some senior figures in 2009.
Pactual也有一阵内耗，包括在1999年的权力之争和2009年一些高层人物相继离职。
Now he had suffered two bouts of prolonged unconsciousness when he fell from jungle gyms and things like that when he was a kid.
他出身于富足家庭。当他还是个孩子的时候，因类似从攀登架上摔下的这样的意外，曾严重昏迷过两次。
These bouts of outrage confirmed what we already knew: Blair has been exiled from polite and right-thinking discourse in Britain.
这些阶段性的暴行及确认我们早已经知道了：在英国，布莱尔已经被逐出了礼貌和正确思维的谈论范围之内。
Severe or repeated bouts can lead to respiratory distress, mental disability, wasting disease and, at the extreme, rupture of the spleen.
严重或者反复的发作可导致呼吸困难，无精打采，体力消耗，严重的时候还会导致脾脏破裂。
"Harry was involved in numerous bouts of heavy fighting on the frontline but amazingly remained unscathed for a while," he told the BBC.
“哈里在前线经历了许多次激烈交火，但他最终都奇迹般地活了下来，毫发无损，”他在接受BBC采访时说。
"Harry was involved in numerous bouts of heavy fighting on the frontline but amazingly remained unscathed for a while," he told the BBC.
“哈里在前线经历了许多次激烈交火，但他最终都奇迹般地活了下来，毫发无损，”他在接受BBC采访时说。
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