speculation

听听怎么读

英 [ˌspekjuˈleɪʃn]

美 [ˌspɛkjəˈleʃən]

是什么意思

投机买卖；思考；投机活动；推断

变形

复数：speculations

英英释义

speculation[ ,spekju'leiʃən ]

n.
- a message expressing an opinion based on incomplete evidence
  同义词：guessconjecturesuppositionsurmisesurmisalhypothesis
- a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence)
  "speculations about the outcome of the election"
  
  同义词：conjecture
- an investment that is very risky but could yield great profits
  "he knew the stock was a speculation when he bought it"
  
  同义词：venture
- continuous and profound contemplation or musing on a subject or series of subjects of a deep or abstruse nature
  同义词：meditation

学习怎么用

词组短语

speculation aboutn. 关于…猜测

双语例句

用作名词(n.)

They have much speculation over the cause of the air crash.
他们对飞机坠毁原因有多方推测。
Speculation has reached such a pitch that a decision will have to be made immediately.
这种胡乱猜测甚嚣尘上，已经到了必须立即解决的程度了。
He makes some unprofitable speculations.
他在做些无利可图的投机生意。
She lose all her money in stock exchange speculation.
她将所有的钱赔进了股票投机生意。
The Big Bang is a kind of speculation or guess rather than a proven fact.
大爆炸只是一种思索和推测并不是已证明的事实。

权威例句

Théorie de la SpeculationComputer Speculation, Auctions, and Competitive Sealed TendersOn the Possibility of Speculation under Rational ExpectationsThe Theory of Hedging and Speculation in Commodity FuturesThe Theory of Hedging and Speculation in Commodity FuturesInsect diversity: facts, fiction and speculation.Razor:A Low-Power Pipeline Based on Circuit-Level Timing SpeculationPositive Feedback Investment Strategies and Destabilizing Rational SpeculationRepetitive and Non-Repetitive DNA Sequences and a Speculation on the Origins of Evolutionary NoveltyDSSW 1990 JF - Positive Feedback Investment Strategies and Destabilizing Rational Speculation.pdf