| 1. | They also impede backmixing of sand .
同时也可防止砂子的返混。 |
| 2. | The lorry was carrying a load of sand .
卡车装运着一车砂子。 |
| 3. | Sand particles gradually wear down .
砂子逐渐磨损。 |
| 4. | Several other sand crackers have been built since then .
以后又建了几个别的砂子裂解炉。 |
| 5. | The uranium deposits are obscured by sand, peat and glacial drift .
铀矿床被砂子，泥炭和冰碛物所覆盖。 |
| 6. | His shoulders must have been burning as though there were hot sand in the joints .
他的肩膀准是痛得活象关节里面有滚烫的砂子似的。 |
| 7. | Silane coupling agents are also used in many commercial sand-epoxy-type composites .
硅烷偶联剂亦用于许多通用的砂子环氧型复合材料中。 |
| 8. | More than once a contractor had put on enough sand to raise the street to official grade .
承建商曾不只一次铺设大量的砂子将街道提高到规定的标高。 |
| 9. | Use a filter funnel and paper to filter the mixture of copper sulphate, sand and water into a second jar .
用过滤漏斗和过滤纸把硫酸铜、砂子和水的混合物过滤到另一个广口瓶里。 |
| 10. | The sand blew into the food and made it gritty
砂吹进食物中，里边尽是砂子。 |
