| 1. | A sulphurous smell came from the laboratory .
实验室传来了硫磺气味。 |
| 2. | A laboratory must be kept in good order .
实验室里必须保持井井有条。 |
| 3. | Each step can be duplicated in laboratory .
每一步都可在实验室中进行验证。 |
| 4. | Laboratory tests show polymorphonuclear leukocytosis .
实验表明多型核白细胞增多。 |
| 5. | Conversely, the universe provides a laboratory .
反过来，宇宙空间也可作为实验室。 |
| 6. | They have been transported to the laboratory for analysis .
它们已被送往实验室分析。 |
| 7. | He would stay for hours at a stretch in the laboratory .
他在实验室里一蹲就是好几个小时。 |
| 8. | New inventions often languish in the laboratory for years .
新的发明都将在实验室里孕育多年。 |
| 9. | A common laboratory source of light is provided by a mercury arc .
通常的实验室光源选用汞弧灯。 |
| 10. | Most laboratory animals are quite insensitive to enterotoxin .
大多数实验动物对肠毒素极不敏感。 |
