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- tracer roller 靠模滚子
- 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？
- magnetic tracer roller 磁导轮
- Clattering along on roller skates. 踩着轮式溜冰鞋行进
- A road roller is used in making and repairing roads. 压路机是用来修筑道路的。
- 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
- This solute will be referred to as a tracer. 这种溶质称为示踪剂。
- The tracer becomes increasingly dispersed. 示踪剂逐渐地扩散。
- Deletes tracer token history information. 删除跟踪令牌历史记录信息。
- They used a steam roller to iron out the road. 他们用蒸汽压路机压平了路面。
- Identifies a tracer token record. 标识跟踪令牌记录。
- The road roller evens out the ground. 压路机把地面压平。
- Chemistry To add a tracer to (a compound). 使示踪：向（一个复合物）加示踪剂
- You may apply it with brush or roller. 你可以使用毛刷或辊子进行涂抹。
- I want to ride on the roller coaster. 我想坐过山车。
- The roller coaster scared me out of my wits. 云霄飞车令我惊慌得穷于应付。
- I want to ride on the roller coaster, too. 我还要坐摩天轮。
- The tracer is distributed in a nearly normal fashion. 示踪剂的分布接近正态分布的样式。
- Everybody can roller skate in the park. 每个人都可以在这个公园内溜冰。
