| 1. | It appears to be a throwback to prehistoric times that it has somehow managed to survive .
不知什么原因它竟然能够存活下来，这看来是对史前时期的一种返祖现象。 |
| 2. | The prehistoric background to bird folklore
史前时期的崇鸟习俗及其历史背景 |
| 3. | The economy and culfure in prehistoric tian jing
天津史前时期经济与文化 |
| 4. | The landscape also preserves many features of that prehistoric period
这里还保存了许多史前时期的特征。 |
| 5. | The comb of prehistory time
史前时期的梳子 |
| 6. | Perhaps originally a sanctuary , it became a necropolis in prehistoric times
这座地下宫殿可能曾是避难所，但从史前时期起成为了大墓地。 |
| 7. | The intact carcass of the prehistoric animal was prevented from putrefying by the arctic cold
史前时期动物的完整尸体，是由于北极严寒的保护不致腐烂。 |
| 8. | The fact that they have remained relatively unchanged since prehistoric times is incredible to me
事实上从史前时期它们保持相对的无变化，这让我很不可思议。 |
