late 14c., "contemplative," also "purely scientific, in theory only" (opposed to practical), from Old French speculatif "worth great attention; theoretical," or directly from Late Latin speculativus, from past participle stem of speculari (see speculation). Meaning "given to (financial) speculation" is from 1763. Related: Speculatively.
实用例句
1. He has written a speculative biography of Christopher Marlowe.
他写了一篇关于克里斯托弗·马洛的推测性传记。来自柯林斯例句
2. The papers ran speculative stories about the mysterious disappearance of Eddie Donagan.
各家报纸都刊登了有关埃迪·多纳根神秘失踪的猜测性报道。来自柯林斯例句
3. His mother regarded him with a speculative eye.
他的母亲用好奇的目光看着他。来自柯林斯例句
4. She cast a speculative look at Kate.
她带着疑问的眼神看了凯特一眼。来自《权威词典》
5. The boss has put all his money into that speculative enterprise.
