这种情况可以是永久性的或只持续几个小时。
这是正常的，经常只持续几个小时。
这一过程会持续几个小时，并不是传说的七年。
这些波浪，内波，可能会有几万米长，持续几个小时。
These waves, internal waves, can be tens of kilometers long and can last several hours.
手术会在全身麻醉下进行，所以病人在手术中持续几个小时是处于睡眠状态。
You will be under general anesthesia - asleep - during the operation which may last several hours.
我涂上一点点，车上就全部是我的这个香味，而且能持续几个小时呢。
偏头痛的成因是血管膨胀及发炎，这种情形可以持续几个小时到数天之久。
The pain is caused when blood vessels become dilated and inflamed, which can last a few hours or a few days.
SSL 提供了很多保护机制，如果每次会话时间要持续几个小时，就应该考虑使用这些保护机制。
SSL adds a great deal of protection, and you should take advantage of it if you're leaving sessions open for hours at a time.
更令人烦恼的是额头上的防晒霜滴进眼睛中，并在休息时造成刺痛和灼热感(有时持续几个小时)。
And even more irritating than that is when the sunscreen on your forehead drips into your eyes, causing stinging and burning for the rest of your run (and sometimes even hours later).
使用手和脚的取暖器——这是一种小的塑料包装的东西，即使暴露在空气中也能持续几个小时的温度。
Use hand and foot warmers — small plastic packages that provide warmth for several hours when exposed to the air.
医生们表示手术会持续几个小时，所以郭先生先离开了医院，去接和邻居在家里待了一天的阿贝尔。
Doctors said the surgery would take several hours, so Mr. Kwok left the hospital to pick up Abel, who had been home with a neighbor all day.
热激蛋白的合成是快速进行的，即使让植物一直处于热激状态，热激蛋白的合成一般只能持续几个小时。
HSP synthesis is carried out quickly, even though plants are keeping in the state of heat shock, generally the synthesis of HSP last only a few hours.
不像其他的饮食配方华氏不像其他的饮食配方，其作用只持续几个小时，随着时间的推移，他们已经完全无效。
Unlike other diet formulations Fahrenheit isn't like other diet formulations-their effect only last a few hours, and they become completely ineffective over time.
这些实验常有研究生监督或持续几个小时，对“心理学101个学生”或那些想轻易挣钱的人来说再合适不过了。
The studies, often supervised by graduate students or staged over a few hours, are perfect for "psych 101 students" or students looking to earn quick cash.
Beggs的小组发现一定的神经元链会在雪崩中被重复触发，有时候会持续几个小时(TheJournalofNeurosciencevol24p 5216)。
Beggs's team noticed that certain chains of neurons would fire repeatedly in avalanches, sometimes over several hours (The Journal of Neuroscience, vol 24, p 5216).
大气风暴出现在几小时内，持续几天，而磁暴形成要几十年，持续几个世纪。
Whereas atmospheric storms arise in a matter of hours and last for days, magnetic tempests develop over decades and persist for centuries.
通常会有几个回合，一次测试可以持续2到3个小时！
There are normally several rounds, and a quiz can go on for 2 to 3 hours!
当用号角或口哨发出信号时，大战就可以开始了，在任何位置都行，能持续几分钟到几个小时。
The fighting starts when a signal such as an air horn or whistle blows, and can last anywhere from a few minutes to a few hours.
还有一次，远在小城欧萨克，夜晚静悄悄的，有人过一段时间就来敲打我的房门，一连持续了几个小时。
Or that time in the deep Ozarks when someone spent several hours intermittently knocking on my door in the dead of night.
袭击持续了几个小时。
供缝线拆除后马上使用的硅树脂新型创口贴，设计为在能几个小时内持续但缓慢地收缩，这样就能把周围组织轻轻拉向创口。
The new dressing, which is applied immediately after the stitches have been removed, is designed to contract slightly over several hours so it gently pulls the surrounding tissue towards the wound.
酒吧里到处都是这类场景，持续了几个小时。
这股劲竟然持续到了第二天，艾琳和孩子们在家又整理了几个小时。
This momentum even carried into the next day, with Erin and the kids doing more home organizing for several hours.
这个错误持续了几个小时，然后花费了几天去修复。
This mistake took several hours to spot and several days to fix.
袭击发生在凌晨，持续了几个小时的时间。
It began early in the morning and continued for several hours.
一群游客被一个叫门多萨的警察挟持为人质。这种可怕的行为持续了几个小时后，几名游客被杀害，挟持人质者也被打死。
Tourists were hostages of a policeman here, Rolando Mendoza. After a few hours of the horrible crime, some of the victims were dead including the hostage-taker.
在几个小时之内，所有的德黑兰人都听到了这件事儿，尽管街头巷战还要持续了几周的时间，但每个人似乎都知道这一切都已结束了。
Within a couple of hours, all Tehran had heard about the incident, and although the streetfighting carried on for weeks, everyone somehow knew it was all over.
在几个小时之内，所有的德黑兰人都听到了这件事儿，尽管街头巷战还要持续了几周的时间，但每个人似乎都知道这一切都已结束了。
Within a couple of hours, all Tehran had heard about the incident, and although the streetfighting carried on for weeks, everyone somehow knew it was all over.
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