| 1. | We are sorely in need of this first step . 我们非常需要迈开第一步。 |
| 2. | A thousand-li journey begins with the first step . 千里之行,始于足下。 |
| 3. | The first step in protein synthesis is transcription . 蛋白质合成的第一步是转录。 |
| 4. | In a way, we had already taken the first step . 在某种意义上说,我们已经走了第一步。 |
| 5. | This is no doubt the first step out of confusion and fatuity . 这无疑是摆脱混乱与愚昧的第一步。 |
| 6. | The first step is to determine the unit-time reference dose rate . 第一步要确定单位时间参考剂量率。 |
| 7. | Delineation of channels is the first step of geologic evaluation . 勾划河道的轮廓是地质解译的第一步。 |
| 8. | This is the first step in the transformation of light into electricity . 这是把太阳光转变为电能的第一步。 |
| 9. | Thickening is the usual first step in sludge disposal processing . 污泥处置过程中,浓缩通常是第一道工序。 |
| 10. | The first step is hydrolysis, with the production of glycerol and fatty acids . 第一步是水解,生成甘油和脂肪酸。 |