| 1. | The grapes , though , may be sour .
可是，葡萄也许是酸的。 |
| 2. | The acid enolises nearly as well as the ester .
此酸的烯醇化几乎象酯一样良好。 |
| 3. | Neutralization is the interaction of a base and an acid .
中和作用是碱和酸的相互作用。 |
| 4. | The addition reaction with hydrogen cyanide is base-catalysed .
与氰氢酸的加成是碱催化的。 |
| 5. | Homoserine has also been implicated in the biosynthesis of methionine .
同型丝氨酸也牵涉到蛋氨酸的生物合成。 |
| 6. | Esters are named as derivatives of the acids from which they are derived .
酯是作为相应的酸的衍生物来命名的。 |
| 7. | The alkalinity of water is a measure of its capacity to neutralize acids .
水的碱性是它中和酸的能力的一种量度。 |
| 8. | The metal ion and the anion of the mineral acid form an insoluble salt .
金属离子和无机酸的阴离子生成一种难溶的盐。 |
| 9. | The concentration of acid in vomitus or aspirate need not reach this limit .
呕吐物或吸引液内酸的浓度不需要达到这一程度。 |
| 10. | This pathway involves the transamination of prephenate to form pretyrosine .
这一途径包括预苯酸的转氨基作用，形成预酪氨酸。 |
