| 1. | Each of these life-sustaining agents begins as a stem cell, a sort of hematological embryo .
这三种维持生命的要素都起源于干细胞。干细胞是血液的胚胎。 |
| 2. | Water is of vital necessity in the desert
在沙漠地区水是维持生命的必需品。 |
| 3. | The heart performs a vital bodily function
心脏起著维持生命的重要作用 |
| 4. | This makes it the best candidate yet for supporting life
这一点就使其成为维持生命的最佳候选人。 |
| 5. | A vital organ ; vital nutrients
维持生命的器官；生命所需的营养 |
| 6. | Oxygen is necessary to support life
氧是维持生命的必要元素。 |
| 7. | But the only way he could sustain that life was by drinking blood
他维持生命的唯一方式就是吸食血液 |
| 8. | Most plants are nourished by water drawn up through their roots
多数植物是靠著根吸收水分来维持生命的 |
| 9. | Did you know your sister ' s opinion about artificially prolonging life
你知道你妹妹对人工维持生命的态度吗？ |
| 10. | This is because water attracts the all - important life - sustaining qi , or energy
这是因为水能够吸引维持生命的气或能量。 |
