她不知道他何时要走，甚至于还不能确定他究竟要不要走。
She couldn't know what time he'd go, or even for certain that he'd go at all.
一般来说，还不能确定幼儿能否辨别广告中的幻想成分和现实成分。
Generally, there is uncertainty as to whether very young children can distinguish between fantasy and reality in advertising.
因此，直到最近发现蜥脚类恐龙筑巢地的化石之前，科学家们还不能确定蜥脚类动物到底是产卵还是胎生。
Until the recent discovery of fossilized sauropod nesting grounds, scientists were thus uncertain whether sauropods laid eggs or gave birth to live young.
在此时我还不能确定死亡人数。
我现在还不能确定我妈妈为什么会被关进来。
但是他还不能确定公众会怎么想。
W：所以你还不能确定到机场需要多长时间吧？
我还不能确定究竟什么是爱。
现在还不能确定引起体重下降的具体原因。
但是金还不能确定，发育漂变是否也出现在人类身上。
Prof Kim cannot yet say whether developmental drift occurs in humans.
英航：旅客量跌幅“已经见底，但还不能确定”。
Passenger declines "appear to reach bottom, but too early to be sure" : British airways.
还不能确定，但答案是肯定的，我认为有些产品会是这样的。
在这之前，科学家还不能确定这些颗粒造成的净效应。
Until now, scientists were unsure of the net effect of these particles.
现在还不能确定，保罗二世会不会预测欧锦赛的结果。
It remains to be seen whether Paul II will be asked to predict the results of the 2012 European Football Championships.
根据以往的表现来看，现在还不能确定他们会出手帮助。
Judging by past performance, there is no certainty they will help.
不安和抑郁情绪也常见于肥胖患者，但还不能确定哪是因哪是果。
Anxiety and depression are also more common in patients with obesity, though it is not often clear which is cause and which is consequence.
同时，玻利维亚完全还不能确定它是否需要国有石油公司。
Bolivia, meanwhile, cannot decide whether it wants an NOC at all.
死亡的原因“还不能确定”，办公室里的另一名验尸官说到。
The cause of death was "yet to be ascertained," said another official in the coroner's office.
死亡的原因“还不能确定”，办公室里的另一名验尸官说到。
"The cause of death was" yet to be ascertained, "said another official in the coroner's office."
然而，现在还不能确定这是否意味着西方要齐贝吉先生退位。
It is unclear whether that means the West wants Mr Kibaki to step down.
这也是为什么他还不能确定这些小小的文字信息会产生多么深远的影响。
Which is why he is not sure just how big all these small text jobs could become.
到底是什么使得管状胶带如此有效，研究人员目前还不能确定。
As for precisely what makes duct tape so effective, researchers are still uncertain.
这就产生了一个相当明显的问题：为什么？事实是，研究人员还不能确定。
This raised a rather obvious question: Why? Truth is, the researchers aren’t sure.
最后，这只是我个人的猜测，还不能确定，如果猜中了将意义深远。
Finally, the prediction that I am least sure of, but which, if prescient, would be the most profound.
当地自来水公司表示，县城将停水数日，恢复供水时间还不能确定。
The county's drought will last for days, said the local water company. It is unknown when water supplies will resume.
虽然还不能确定，但节目制作人认为这很有可能是首次在野外拍摄到野生幼年雪豹。
The programme's makers cannot be sure, but they suspect it may be the first footage of a snow leopard cub filmed in the wild.
这次的冰岛火山爆发是不是对旅客的行程造成更长期限的影响还不能确定。
It is also uncertain whether the recent Icelandic volcanic eruptions will have a longer term impact on passenger travel plans.
目前还不能确定女子健康活动里表明的雌激素的益处是否其它类型的雌激素也会拥有。
It is not known whether the benefits of estrogen shown in the Women's Health Initiative would be replicated using a different type of estrogen.
这引起了公共卫生关注，不过还不能确定食品中丙烯酰胺含量对健康的影响。
This caused public health concerns, though the health impact of acrylamide levels in foods was uncertain.
这引起了公共卫生关注，不过还不能确定食品中丙烯酰胺含量对健康的影响。
This caused public health concerns, though the health impact of acrylamide levels in foods was uncertain.
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