speculative

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GRE Collins 1

s not financially safe or secure
s not based on fact or investigation
s showing curiosity

a. 思索性的, 投机的, 推测的
[经] 投机的, 冒险的

Collins 星级

6,945

BNC 频率

9,713

使用频率

speculative 由词根 spec（看、观察）和后缀 -ative（表示性质或状态）构成。可以理解为“与观察相关的”，暗示推测或猜测的性质。

例句

1. The company's speculative investments led to both high profits and significant risks.

该公司的投机性投资带来了高利润和显著风险。

2. Many speculative theories about the future of technology are discussed at conferences.

在会议上讨论了许多关于未来科技的投机性理论。

3. Buying stocks based on speculative trends can be very risky for investors.

基于投机趋势购买股票对投资者来说可能非常风险。