adj. 思索的,推理的,纯理论的;推测的;投机(性质)的,冒风险的
拆分: -specul-看→观察,瞭望 + -ative形容词词尾 ⇒ 观察、瞭望之后下一步动作的
例句:He gave her a speculative glance. 他向她投去狐疑的一瞥。 The boss has put all his money into that speculative enterprise. 这个老板把他的全部财产都投到那个投机事业中。 He had a speculative gleam in his eyes. 他眼睛里闪过一丝探寻的神情。
