He had to be certain. There could be no room for doubt.
他必须确定无误。不能有任何的犹疑。
If you want to be certain of getting a ticket, book now.
要想有把握买到票，现在就得预订。
She would break my biscuits in half to be certain I wouldn't choke.
她会把我的饼干掰成两半，以确保我不会噎着。
To be certain that Rollie was talented, Mr. Ross ran a bright chimp through the same process and compared the results.
罗斯先生为了确认罗妮的确聪明，他对一只聪明的黑猩猩进行了相同的研究，并比较了研究结果。
The third, and most potent limitation is that it is not possible to be certain that the infant's response was due to the stimulus presented or to a change from no stimulus to a stimulus.
第三也是最有力的限制在于婴儿做出的是面对刺激的反应，还是从受到刺激到没受到刺激的变化，这是无法确认的。
China needs to be certain of having a nuclear second strike.
中国需明确无疑地拥有二次核打击能力。
The seasons used to be certain and we would know when to plant crops.
以往的季节很确定，我们知道什么时候该种庄稼。
n this world nothing can be said to be certain, except death and taxes.
除了死亡和税收之外，这个世界上没有什么是必然的。
Whatever you think you know to be certain is probably a lot more flexible than you think.
你经过思考而得到的结论，切忌那么的肯定，任何事情都比你想象的更有弹性。
to be certain the sun will shine, but grab an umbrella on our way out — just in case.
确定阳光会很灿烂，出门还是带把雨伞——只是以防万一。
In the absence of good scientific trials, it is impossible to be certain which is which.
在缺乏良好的科学试验的情况下，是不可能确定哪些有效哪些无效的。
And Uncle Matt said: Well, Lawrence, I for one am out here tonight trying to be certain.
马特叔叔说：呃，劳伦斯，我可是打定了主意，今晚一定要万无一失。
Female runners also need to be certain they have adequate levels of iron in their diet, too.
女性跑步者还需要保证食谱中包含足够的铁。
You want to be certain you pick a book you like, as you'll be spending a lot of time studying it.
您肯定希望挑选一本喜欢的书，因为将要花大量时间学习它。
"In THIS world nothing can be said to be certain, except death and taxes," mused Benjamin Franklin.
本杰明·富兰克林曾沉思，“在这个世界上，除了死亡和税收，没有什么是确定无疑的”。
To be certain of a place, we started attending the local Anglican church when Robert was about two.
为了确定能被录取，我们在Robert两岁时开始参加当地的国教教会。
I wanted to be certain of my own wisdom by copying Solomon, who had knowledge of hyssop and of tree.
我希望仿效通晓牛膝草和树木知识的所罗门王，确信自己的智慧。
It used aliens in place of actual species to be certain that the participants could not draw on prior knowledge.
它用外星人来取代实际实际物种，是为了确信参与者不能利用先验知识。
Nothing in this world nothing can be said to be certain, except death, taxes, and enterprise software disruption.
当今世界，没有什么东西是确定的，只有死亡、税收，和企业软件的破坏性除外。
There are times when new considerations pop in and I want to be certain of the decision before committing myself.
这时会突然出现之前没有想到的新的注意事项，我们于是很想在全力做这件是之前确定自己的决定。
Get outside opinions on your new advertising concepts to be certain they carry the personality and message you intend.
吸取外部给你的新广告观点提出的意见，以确定它们具备你要表达的特点和信息。
It's probably more accurate to say, "n this world nothing can be said to be certain, except death, taxes, and crashes."
这样说可能更准确，“除了死亡、税收和系统崩溃之外，这个世界上没有什么是必然的。”
Special search programmes continued throughout the world for another two years to be certain that transmission had stopped.
此后两年中继续在整个世界进行特别搜寻规划，用以确定天花不再传播。
Greenpeace, a pressure group, argues that it is impossible to be certain that carbon dioxide will not eventually leak out of the ground.
压力集团绿色和平组织(Green Peace)认为二氧化碳最终不会从地下泄漏出来是不可能的。
The third is to be certain that the temperature gradient which that badly conducting material creates is not frittered away by poor design.
第三是确保那种导热性差的材料产生的温度变化率不因为设计缺陷而白白浪费。
We needed to be certain that the attachment was sent to the business process in the request and the processed attachment was returned to the application.
我们需要确认附件在请求中被发送到业务过程，并且已处理的附件被返回到应用程序。
During the solution integration, one security rule you need keep in mind is to be certain that different user roles have their corresponding privilege sets.
在方案集成过程中，您需要一直记住的一个安全性规则就是，不同的用户角色拥有其相应的特权设置。
They need to be certain of several hours of clear air as it will take two hours for an initial reconnaissance team to reach the area where the missing men are.
搜救人员需要确定干净的空气能保持数小时，因为打头阵的侦察队确定被困矿工的位置就需要两个小时。
They need to be certain of several hours of clear air as it will take two hours for an initial reconnaissance team to reach the area where the missing men are.
搜救人员需要确定干净的空气能保持数小时，因为打头阵的侦察队确定被困矿工的位置就需要两个小时。
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