4周搞定2000+托福核心词
speculation = specul(看) + ation(表名词) = 仔细看->思索；推测
abbrevate = ab(表加强) + brev(短) + ate(表动词) = 缩写
accelerate = ac(使) + celer(快) + ate(表动词) = 加快
看准了→推测
speculate
常考释义
With the door opened by Thales and the other early philosophers of Milestus, Greek thinkers began to speculate about the nature of the universe.
泰勒斯和其他米力都的哲学家开启了探索之门后，希腊思想家们开始推测宇宙的本源。
来源于：阅读OFFICIAL37 P1vi. 推测；猜测；推断
Her account has so successfully converted imagination into reality that there is little room for the reader to speculate, question or wonder.
她的描述已成功地从想象变为现实，读者没有多少猜测、质疑或好奇的空间。
Critics of the project speculate about how many hospitals could be built instead.
对该项目持批评态度的人在推测如果改作他用不知可以建多少家医院。
It would be unfair to Debby's family to speculate on the reasons for her suicide.
猜测黛比自杀的原因对她的家人来说是不公平的。
Mr. Clinton refused to speculate on how long he might stay on as envoy.
克林顿先生拒绝猜测他可能会留任公使多长时间。
I wouldn't want to speculate at this time.
这次我不想妄加揣测。
来自《24小时 第8季第2集》
图片源自网络
We can only speculate as to how high or low the inventors of true numerals were in the scribal hierarchy, but it stands to reason that this laborsaving innovation would have been the brainchild of the lower-ranking types whose drudgery it eased.
我们只能推测数字发明者在抄写阶级的地位高低，但是我们有理由推测这种节省劳动力的创新可能是低等级阶层为缓解劳苦的点子。
来源于：阅读OFFICIAL53 P1Anaximenes may have also been the first to study rainbows and speculate upon their natural rather than supernatural cause.
Anaximenes可能也是第一个研究彩虹，推测其本质的人，而不是相信彩虹是来源于超自然现象的。
来源于：阅读OFFICIAL37 P1With the door opened by Thales and the other early philosophers of Milestus, Greek thinkers began to speculate about the nature of the universe.
泰勒斯和其他米力都的哲学家开启了探索之门后，希腊思想家们开始推测宇宙的本源。
来源于：阅读OFFICIAL37 P1Well, for now we can only speculate, but we think that when mole rats rely on the first system, using underground landmarks or their sense of time, well, they make small mistakes here and there.
现在我们只能推测，但是我们认为当鼹鼠只依赖第一种导航系统，即使用地下路标和时间感来认路时，它们偶尔是会犯错误的。
来源于：听力OFFICIAL35 L2Other researchers speculate that sauropods ingested these stones as a source of some the minerals they needed, such as calcium.
其他的研究人员推测蜥脚类动物吞食这些石头，是将它们作为他们所需矿物质的来源，比如说钙。
来源于：听力OFFICIAL27 L5Just state, uh, state and defend your opinion, analyze the issues, speculate about how things might have turned out differently.
要求你们阐明……并且论述你们的观点，分析问题，估量事情发展的其他可能。
来源于：听力OFFICIAL16 L4Some scientists speculate that Mars may have enjoyed an extended early Period during which rivers, lakes, and perhaps even oceans adorned its surface.
一些科学家认为早期的火星上广泛存在着河流，湖泊甚至是海洋。
来源于：阅读OFFICIAL8 P3We’ll never really know of course, though it’s interesting to speculate.
尽管探究起来很有趣，但是我们当然不会知道结果。
来源于：听力OFFICIAL3 L5In experimenting with it, he found that it is actually quite difficult to use for drawing, and he speculates that the artists probably combined their observations from life with tracing of shapes.
通过亲身实验，他发现暗箱其实很难用于绘画，于是他推测，艺术家在借助暗箱捕捉图像作画时，很可能也结合了他们生活中对原物的观察结果。
来源于：阅读OFFICIAL44 P2Now, for many years archaeologists have speculated that agriculture also arose independently in another center, too - New Guinea, which is just north of Australia, in the South Pacific Ocean.
考古学家多年来一直推测农业也独立出现在另一个中心，New Guinea（新几内亚）。它位于南太平洋，在澳大利亚北部。
来源于：听力OFFICIAL44 L5vi. 投机；做投机买卖
Big farmers are moving in, not in order to farm, but in order to speculate with rising land prices.
大农场主迁入并不为耕种，而是抬高土地价格，做投机买卖。
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