核心词议：
n. 推测；思考
speculation 基本解释
n. 投机买卖；思考；投机活动；推断
速记方法
速记技巧 词根词缀法 拆 -specul-看+-ation名词词尾 记 Regulation (规定)
Population (人口)
Education (教育)
Communication (沟通)
知识扩展
同根词汇 speculate adj.speculative投机的；推测的；思索性的nspeculator投机者；思索者speculativeness思辩vi speculate推测；投机；思索vt speculate推断
重要短语
speculation about n.关于…猜测
speculation 变化形式
复数： speculations
中文词源： speculation 推测，猜测，投机，炒股 speculate,推测，猜测，投机，炒股，-ion,名词后缀。 speculation
精选例句
1、 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。
常见考点例句：
- Profitable speculation requires buying low and selling high .
- 有利可图的投机行为要求低买高卖。
- People who know mr reinemund well dismiss such speculation .
- 了解雷蒙德的人都不懈于此种推测。
- But malicious speculation on the board has also occurred frequently .
- 但针对创业板的恶意炒作也频频发生。
- But many investments appear to be pure speculation that leaves land fallow , the report found .
- 报告指出，很多投资似乎只是单纯的投机买卖，使得大量的土地闲置。
- There is huge speculation about what north korea seeks to gain by raising the tension levels .
- 朝鲜想通过提高紧张的级别来得到什么是一个巨大的思考。
