3. He did not get a chance to deepen his knowledge of Poland.
他没有机会更深入地了解波兰。
4. We had this understanding that courses were roughly the same weight.
我们已经了解到各门功课差不多一样重要。
5. For more details about these products, send a postcard marked HB/FF.
要了解这些产品的详细信息，请寄来标明HB/FF字样的明信片。
6. If you'd like more information, ring the Hotline on 414 3929.
如果想了解更多信息，请拨打热线电话4143929。
7. She also stimulated his curiosity and opened his mind to other cultures.
她还激发了他的好奇心，使他愿意了解其他文化。
8. You should also make your views known to your local MP.
你也应该让本地议员了解你的观点。
9. He was a very mechanical person, who knew a lot about sound.
他精通机械，了解许多有关声音的知识。
10. Medical authorities were baffled, both as to its causes and its virulence.
医疗当局对其病因及有多致命都还不甚了解。