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n.投机；推测；思索；投机买卖
1、speculations───n.投机；推测；思索；投机买卖
2、speculatist───投机者，
3、spiculation───n.针状体；骨针；小穗状花序(spicule的变形)
4、sacculation───n.[生物]成囊
5、speculative───adj.投机的；推测的；思索性的
6、speciation───n.[进化]物种形成
7、speculator───n.投机者；思索者
8、peculation───n.侵吞公款；挪用公款；贪污
9、speculating───vt.投机；猜测（speculate的现在分词）
1、Speculation about a divorce proved totally unfounded.───有关离婚的猜测证实纯属无稽之谈。
2、Klopper said he was unaware of details, but past speculation has included sonar buoys able to identify sharks and transmit a warning signal.───发言人克劳普说他不知道具体细节，但是之前传闻内容涉及声纳浮标，它能够识别鲨鱼并传出警告信号。
3、Speculation is rife that he will be fired.───他将被解雇的猜测盛行。
4、Musharraf's sinking popularity has spurred speculation that he might declare a state of emergency to smother vocal opposition.───穆沙拉夫声望的下降促使他想发表一份紧急声明来遏制那些反对的声音。
5、Of course, for the moment all this muttering about gold is simply wild speculation.───当然在现阶段，所有这些关于黄金的低声议论还只是胡乱猜想。
6、Because financial speculation plays such an important role in generating growth, this cycle is all about inflation.───因为金融投机在制造增长中起了重要的作用，上述循环的关键是通胀。
7、Out of the money collected is not attracting developers who purchase the "eyeball" and speculation on the project Sau ?───抛出重金征集案名，是不是开发商吸引购房人“眼球”、炒作项目的征名秀？
8、I am tired of all the speculation.───我厌烦了所有这些猜测。
9、This is all speculation, but hopefully you can begin to see the opportunity for small business in this space.───这些都是我的猜测，但小企业在这个市场上也许有望把握机遇。