您要查找的是不是：
- A dyke was built to retain the floods. 修了一道堤坝挡住洪水。
- The ride on the roller coaster dizzied us. 乘坐云霄飞车使我们头晕。
- May I borrow your roller skates? 我可以借你的旱冰鞋吗？
- Clattering along on roller skates. 踩着轮式溜冰鞋行进
- roller retainer 滚柱保持器
- A road roller is used in making and repairing roads. 压路机是用来修筑道路的。
- Her arrival had just been announced by the faithful retainer. 她的忠仆已刚宣布了她的到来。
- A steel tube or wooden roller on which the warp is wound in a loom. 卷轴织机上的铁管或木轮，供经线缠绕之用
- I retain a clear memory of those days. 我还清晰地记得那些日子。
- He has managed to retain most of his fortune. 他设法保存了他的大部分财产。
- They used a steam roller to iron out the road. 他们用蒸汽压路机压平了路面。
- Concentrated study will help you to retain knowledge. 专心学习有助于你记住知识。
- The road roller evens out the ground. 压路机把地面压平。
- Dicotyledonous plants retain a series of strands. 双子叶植物中保留着一系列的束。
- We pay him a retainer of $1,000 per annum. 我们每年付给他1, 000美元的预聘费。
- What should I do? Retain the red door? 现在门已经刷上红色了，怎么办?
- You may apply it with brush or roller. 你可以使用毛刷或辊子进行涂抹。
- Kit includes: Seat, Retainer Wire and Cover O-ring. 组件包括：阀座，固定器线圈和阀盖O形环。
- Remove the retainer from the body bore. 从阀体镗孔内拆卸固定器。
- I cannot retain so much information. 我不能记住这么多的信息。
