| 1. | We addressed ourselves vigorously to this problem .
我们奋力钻研这一问题。 |
| 2. | He has honestly studied history .
他实实在在地钻研历史。 |
| 3. | His spirit of assiduous study is worthy of emulation .
他刻苦钻研的精神，值得效法。 |
| 4. | He bestowed his life on science .
他一生钻研科学。 |
| 5. | He studied hard that he might serve the country well .
为了很好地为祖国服务，他会刻苦钻研。 |
| 6. | They attacked what was unknown, in order to make it known .
他们钻研未知的东西，以便变不知为已知。 |
| 7. | For my term paper i worked over 30 volumes of american history .
我为了写学期论文，钻研了三十卷的美国史。 |
| 8. | The profound erudition of the writer came from long years of study .
这位作家渊博的学问来自长年累月的钻研。 |
| 9. | The development of production impels us continuously to study technique .
生产的发展促使我们不断地钻研技术。 |
| 10. | Jim checked out some books from the library in order to bone up on physics .
吉姆从图书馆借了一些书，以便钻研物理学。 |
