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分类 英语词汇 英汉例句词典
释义 Emergency workers at the site are still unable to pinpoint the cause of the explosion.现场的急救人员仍然无法确定爆炸的原因。It will remain a question mark at least until tomorrow.这事至少在明天以前尚无法确定。You cannot date the carving and it is difficult to date the stone itself.无法确定这一雕刻的年代，连石头本身的年代都难以判断。Without research we can't be sure of the size of our market or even who our market is.没有市场调查我们就无法确定我们的市场大小，甚至连哪些人是我们的顾客也不知道。There seems to be a lack of certainty over what we should do.看来我们应该做什么还无法确定。For once I felt uncertain about my real feelings. I decided to play it cool.我平生第一次无法确定自己的真实感觉，于是便决定泰然处之。People injecting drugs can never be sure that they're using unadulterated substances.注射毒品的人永远无法确定他们用的是否为纯品。Archaeologists have been unable to date these fossils.考古学家无法确定这些化石的生成年代。It was doubtful whether the patient would survive the operation,病人能否挺过这次手术还无法确定。His research into the incident has left him uncertain as to exactly where responsibility lay.对该事件作了调查研究后，他无法确定究竟是谁的责任。Her doctors have been unable to ascertain why she is ill. = Her doctors have been unable to ascertain the cause of her illness.她的医生至今无法确定她的病因。With the loyalty of key military units in question, that could prove an extraordinarily difficult task.由于无法确定关键军事部队忠诚与否，这项任务也许会变得异常困难。They were unable to ascertain the cause of the fire.他们无法确定火灾原因。I'm never sure if she will keep up her end of the deal.我无法确定她是否会对这笔交易信守承诺。I can't localize the trouble.我无法确定哪里出了问题。They are unable to accurately determine the ship's position at this time.他们目前还无法确定船的准确位置。They are bound to lose; the only unresolved question is how much.他们注定要输了；现在唯一无法确定的问题是他们会输多少。We couldn't locate the source of the radio signal.我们无法确定无线电信号的来源。You can never be sure what will happen from one week to the next.你永远无法确定下周会发生什么事。It is impossible to be sure about the value of land.土地的价值是无法确定的。The reporter can't localize the trouble.这位记者无法确定出事地点。He couldn't pinpoint her exact location because of some kind of interference.由于某种干扰，他无法确定她的准确位置。Whether diet is an important factor in this illness is still uncertain.饮食是否是这种病的重要致病因素仍然无法确定。Scientists still do not know with any degree of certainty why the disease spread so quickly.科学家们仍无法确定这种疾病迅速传播的原因。It is far from certain that the strike will be settled soon.现在完全无法确定这场罢工是否会很快平息。I was never able to establish whether she was telling the truth.我根本无法确定她是否在说实话。We're unable to ascertain who the owners are.我们无法确定所有者是谁。I wasn't sure whether the portrait was an excellent copy or the original.我无法确定这幅肖像画是出色的临摹本还是原作。We can't pin down where the leak came from.我们无法确定哪里发生了泄漏。We're not sure what starts the process off.我们无法确定是什么开始这一进程的。It was impossible to pinpoint the exact position of the ship.根本无法确定该船只的准确位置。
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