| 1. | The modern clinical use of curare probably dates from 1932 . 箭毒的现代临床应用可追溯至1932年。 |
| 2. | From long ago, by an established tradition that can be traced to the hypothesis of immanuel kant and the marquis de laplace, astronomers have assumed that stars develop out of a scattered, diffuse medium of gas and dust . 很长时间以来,天文学家承袭了可以追溯至康德和拉普拉斯假说所建立的概念,认为恒星由散布在空中的弥漫气尘物质演变而来。 |
| 3. | The family name goes back to norman times 这个家族的姓氏可追溯至诺曼第时代。 |
| 4. | His family dates back to the seventeenth century 他的家族可追溯至17世纪。 |
| 5. | Parts of this building date to the 1600s 这里部分的房子要追溯至十七世纪。 |
| 6. | The bookstore ' s history goes back to 1870 这家书店的历史可追溯至1870年。 |
| 7. | They traced their ancestry back to george washington 他们的祖先可追溯至乔治?华盛顿。 |
| 8. | These plant fossils date back to the age of the dinosaurs 这些植物化石可追溯至恐龙时代。 |
| 9. | He traced his descent back to an old norman family 他的血统可追溯至一个古老的诺尔曼家族。 |
| 10. | His family goes back to the 18th century 他的家族可追溯至十八世纪。 |