| 1. | Its derivation involved no approximation .
它的推导过程不含近似处理。 |
| 2. | It is free from air, moisture or impurities .
它不含空气，水份和杂物。 |
| 3. | She said with an air of no emotion whatever .
她说话的神气里，丝毫不含感情。 |
| 4. | Igneous rocks do not contain fossils .
火成岩不含化石。 |
| 5. | Emerald green is excluded .
不含宝石翠绿色。 |
| 6. | Zip also describes a vehicle moving fast but does not suggest noise .
Zip也指车快速行驶，但不含发出声响之意。 |
| 7. | Unlike animal cell membranes, plant membranes do not contain cholesterol .
与动物细胞膜不一样，植物的膜不含胆固醇。 |
| 8. | A current is passed through earth materials not containing metallic minerals .
电流在不含金属矿物的地层介质内经过。 |
| 9. | The answer was so long in coming, though there was no indecision in it .
这句答话虽不含什么优柔寡断的意味，却来得那么迟。 |
| 10. | It is important to state whether the liquid is air-free or air-saturated .
指出液体是不含空气的，还是被空气饱和了的，这一点很重要。 |
