She said it was not known who sent the video to her niece, but speculated that someone connected with the killing may have been seeking an extra measure of revenge.
Pasqualina表示现在还不知道是谁把这段录像发给了她的侄女，但她估计是与罪案有关的人想要对Lucia一家实施额外的报复。
The team said it did not know exactly why probiotics may be harmful but speculated the supplements may somehow boost demand for oxygen and worsen already reduced blood flow.
研究组说他们并不确切的了解为何用微生物制剂有害，但推测是不知什么原因能推动对氧的需求，恶化原本就减慢的血液流动。
Perhaps the Achuar do have shame-related dreams but are reluctant to share them with outsiders, they speculated.
他们猜测，也许阿丘阿尔人也的确有出现过与“羞耻”有关的梦境，只是他们不愿意与告诉外人。
The reason why coffee could protect people from depression is not clear. But the scientists from the Harvard University speculated that caffeine was the key player.
虽然咖啡避免让人产生抑郁的原因尚未清楚，但来自哈佛大学的科学家推测，咖啡因是关键因素。
The image has created a buzz on technology blogs, but some users have speculated that it may be a prank.
这张照片在科技博客网站上引发大范围争议，一些用户推测这可能是一个恶作剧。
But today many bloggers speculated that the decision reflected public pressure.
但是今天许多博客作者猜测这项决定反映了公众的压力。
Scientists have long speculated that ocean waves could cause an ice shelf to flex and break, but this is the first time researchers have observed a tsunami having this effect.
长期以来，科学家们推测海浪是可以引起冰架的收缩和瓦解的，但这是研究者们第一次观测到海啸拥有着这样的效果。
He speculated that the oil may glow orange because of iron content, but the answer will have to wait until after the oil is analyzed in a lab.
他推测是因为石油里含有铁才呈现橙色，但要等到实验室对石油进行分析之后才能知道结果。
But nevertheless he speculated that God could make matter think if he wanted to.
但是他认为,上帝如果愿意，可以赋予物质思想。
What those causes are is unknown, but many researchers have speculated that urban social environments are partly responsible.
原因究竟何在还尚不知晓，不过，许多研究人员推测城市的社会环境在一定程度上难辞其咎。
Scientists have speculated that increasing stores of the energy-burning fat might help maintain a proper weight, but until now, making brown fat was a mystery.
科学家们猜测如果人体储存有更多的能量消耗脂肪就能维持一个适当的体重，但迄今为止，灰色脂肪是如何产生仍是一个迷。
The evidence for a link between creativity and mental disorders has long been speculated but rarely, if ever, proven.
长久以来人们一直揣测创造性和精神障碍之间有所关联，但其证据，如果曾有的话，根本没有得到证实。
This inseparable unity of the thinker and his thought is to be experienced but not to be speculated upon.
这种思想者和思想不可分割的整体是被体验到的，而不是靠推测出来的。
I was not born with that distinction, but many people have speculated that I may have earned it.
我出生的时候并没有这种分别，但很多人推测是我自己赢得了这样的恶名。
"Why exactly these four men choose to wear these costumes for Christopher is unclear, but ithas been speculated that they may owe him money from gambling debts, " Mr. Stokes writes.
“这四个人为什么要为了克里斯托弗穿上戏服，目前尚不明确，但有人猜测他们可能是在赌博中欠了他的钱，”斯托克斯写道。
Long-term since, humans have speculated that Mars might exist, and even senior wisdom of life existence, although still life, but it is more increased interest in Mars exploration human.
长期以来，人类一直推测火星上可能存在生命，甚至存在高级智慧生命，尽管至今尚未证实，但这无疑更增加了人类探索火星的兴趣。
It is speculated that selenium may have some unknown neural function, but as of yet, its mode of action is unknown.
据推测，硒元素有未知的神经功能，然而目前这种功能的作用模式还是未知的。
Thul wasn't willing to reveal any details but explained that it won't be based on a sports car platform as speculated by some recent reports.
书尔不愿意透露任何细节，但解释说，它不会根据跑车平台推测最近的一些报告。
Hleb has 2? Years remaining on his contract at the Emirates, but reports this week speculated that he is likely to be rewarded with an extended deal.
赫莱布在埃米尔的合同还有2年，但是本周有报道猜测他渴望通过一份延长合约来得到奖赏。
It's not clear why the shark died, but researchers speculated it was ill or had been injured.
目前尚不清楚这条鲨鱼为什么死去，但是研究人员们推测牠生病或者受伤了。
The name of the wreck is still unknown, and so is its destination, but it has been speculated that the cargo was destined for the Russian Tsar's court in st Petersberg.
沉船的名字及其目的地现在还不知道，但人们推测这些货物是要运到圣彼得堡俄国沙皇的宫廷。
Many scholars and experts have speculated about the existence of initial consonant clusters in ancient Chinese, but no final conclusions are reached on this matter.
古汉语中存在复辅音声母，已被许多学者、专家提出，但尚未定论。
Several researchers have speculated that volcanism might have set off extensive coal fires that contributed to the extinction, but no clear evidence had been found - until now.
几位研究人员推测，火山活动可能引发了大面积的煤炭火灾，火灾导致了灭绝事件，但没有发现明确的证据——直到现在。
But ventilation may also have improved overall air quality, Thomson speculated in an email to Reuters Health.
但是通风顺畅可能改善了整体的空气质量。
We have also speculated that it is the neural-hormonal bombardment directly on the myocardium but that is just speculation.
我们还推测，是因为直接对心肌的神经激素轰击，但这仅仅是猜测。
We have also speculated that it is the neural-hormonal bombardment directly on the myocardium but that is just speculation.
我们还推测，是因为直接对心肌的神经激素轰击，但这仅仅是猜测。
应用推荐