| 1. | But we know that life on earth has had a long and diverse history . 但是,我们知道,地球上的生命具有很长很复杂的历史。 |
| 2. | A close look would be likely to suggest that the car is the most conspicuous type of life on earth . 稍近些观察,也许会以为汽车是地球上最明显的一种生命。 |
| 3. | Paleontologists have studied them since they began to document the history of life on earth . 古生物学家们一开始论述地球上的生物发展史时就接触到这个问题。 |
| 4. | Microbes are the oldest form of life on earth 微生物是地球上最古老的生命形式。 |
| 5. | There would be no life on earth without water 如果没有水,地球上将没有生命。 |
| 6. | How and where did life on earth arise 地球生物是怎样和在哪里起源的? |
| 7. | Life on earth is short and uncertain 地面上的生命是短暂而不确定的。 |
| 8. | For life on earth - save our seas 为了地球上的生命-拯救我们的海洋 |
| 9. | Lives on earth have been exposed to 自古以来,地球上的生命便暴露于 |
| 10. | This life on earth is not the end 在这地球上的生命并不是尽头。 |