| 1. | She did the first stage of the trip by train . 她行程的第一段是乘火车的。 |
| 2. | The first stage of the operation was to join up the bones . 手术的第一步是把骨头接上。 |
| 3. | Peat, the first stage in the formation of coal, is a low-rank material . 泥炭是煤形成的第一阶段,是一种低质煤。 |
| 4. | The first stage is to split the crude oil into more manageable portions . 第一步就要将原油分割成更易处理的馏分。 |
| 5. | So the first stage is to split the crude oil into move manageable portions . 因此,第一步就要将原油分割成更易处理的馏分。 |
| 6. | And so the first stage is to split the crude oil into more manageable portion . 因此,第一步就要将原油分解成更易处理的馏分。 |
| 7. | The first stage is the elimination of water from two monomer molecules to produce a dimer . 第一步是两个单体分子之间折出水,生成二聚体。 |
| 8. | The first stage in conciliation is to find out where the problem is and what the liabilities are . 调解的第一阶段是找出问题所在并明确责任。 |
| 9. | Our sun is in its first stage of evolution 我们的太阳在进化上的第一个台阶。 |