| 1. | The head distribution is different in the two layers .
两层中的水头分布不同。 |
| 2. | He lives in a house of two stories .
他住的是两层楼的房子。 |
| 3. | If it were any ordinary paint you would need two coats .
若是普通颜料你就要涂两层。 |
| 4. | Main street with its two-story brick shops .
大街的两旁立着一些两层楼高的砖砌的商店。 |
| 5. | The liquid cement will cover the slit between the layers .
液体胶合剂会遮住两层之间的接缝。 |
| 6. | The mesophyll consists of two layers of palisade parenchyma .
叶肉是由两层栅栏薄壁组织组成。 |
| 7. | Peter used the service stairway to descend the two flights .
彼得从职工专用楼梯走下两层楼梯。 |
| 8. | Biological membranes are composed of two layers of phospholipid molecules .
生物膜由两层D磷脂分子组成。 |
| 9. | Man has two real existing principles; viz: a body and a soul .
人具有两层真正存在的本原，即肉体和灵魂。 |
| 10. | This pad consists of one thickness of cotton wool and two thicknesses of felt .
这个垫子有一层棉花两层呢毡。 |
