| 1. | Presumably reactive surfaces became blocked . 反应表面可能被堵塞了。 |
| 2. | The journal rubs against the bearing surface . 轴颈在轴承面上摩擦。 |
| 3. | Electrons in a metal come out of the surface . 金属中的电子逸出表面。 |
| 4. | Acid had pitted the surface of the silver . 酸把银器的表面腐蚀了。 |
| 5. | The surface shows deep rill-like folds . 表面有深沟槽状起伏褶皱。 |
| 6. | One never gets below the surface with him . 人们无法看透他的内心。 |
| 7. | Many guyots now lie below the surface . 很多平顶海山现在是在海面以下。 |
| 8. | The towers are surfaced with steel plates . 在塔面上加了一层钢板。 |
| 9. | A surface can be looked at in two ways . 曲面可以用两种方式验证。 |
| 10. | The cell surface barrier had been broached . 细胞表面屏障被凿开。 |