| 1. | He has speculated on why this is so . 他曾经思考过为什么会这样。 |
| 2. | We talked and speculated until after midnight . 我们一直谈论和分析到半夜。 |
| 3. | He speculated on the passage of time . 他遐想着时光的飞逝。 |
| 4. | Can you speculate how such damage might arise ? 你能否想出这种伤害是怎样引起的? |
| 5. | He speculated on the reform of the methods of inquiry . 他提出改革研究方法的意见。 |
| 6. | People should spend their time speculating about him . 人们竟然会花费时间对他进行种种猜测。 |
| 7. | Plato and aristotle speculated on memory and thought . 柏拉图和亚理士多德曾经推究了记忆和思想。 |
| 8. | People have speculated about human cognition for 2000 years . 人们对人类的认知力已思索了2000年。 |
| 9. | On the way home, they'd speculate and wonder about the treasure . 在回家的路上,他们就对那宗财宝猜测一番。 |
| 10. | In his diaries he speculated about the possible identity of elli . 他在日记中对埃利的可能身份作了种种推测。 |