1 . 英汉互译
1. 心算________
2. 制定调查策略________
3. 未经证实的假设________
4. 穿越银河系________
5. as fantastic as it may seem________
6. 归结为________
7. isotopic or chemical stratigraphic anomalies________
8. synthetic molecules________
9. radioactive fallout________
10. 被完全消除________