| 1. | As a scholarly discipline, economics is just two centuries old .
作为学术上的一门学科，经济学已经有了整整二百年的历史。 |
| 2. | For almost 200 years medicine then turned away from the mystery it didn't understand .
以后差不多有二百年，医学界回避了它所不了解的神秘。 |
| 3. | Sometimes, perhaps, we are inclined to talk a little too unctuously about the colonial origins of the united states .
有时我们谈起将近二百年前美国殖民地的起源时，或许有点过于哗众取宠。 |
| 4. | Review of the behavior genetics in the past 200 years
近二百年行为遗传学的回顾 |
| 5. | Two hundred years ago people could not travel by air
二百年前人们无法在空中旅行。 |
| 6. | The western part of america was lawless 200 years ago
二百年前，美国西部是没有法纪的。 |
| 7. | It is our national opera with a history of 200 years
它是我们本民族的戏剧，已有二百年的历史。 |
| 8. | It happened 200 years before christ
这件事发生在公元前二百年。 |
| 9. | The ship has lain at the bottom of the harbor for two hundred years
那条船在港口的水底已经二百年了。 |
| 10. | I ' d like to know more about life as it was two hundred years ago
我想了解更多关于二百年前的生活情况。 |
