名词水沟，（赛车用的）跑道
1. 滚道：滚刀 hob | 滚道 raceway | 滚动体 rolling element
2. 电缆管道：rabbit 兔式速移器<铝或塑料制的小圆柱体 | raceway 电缆管道 | rack space 储存架区
3. 水沟, (赛车用的)跑道：race 竞争,追赶 | raceway水沟, (赛车用的)跑道 | rack and pinion机架,(框)架和小齿轮
4. 电缆沟：raceway 电缆沟 | racing 空转 | racing test 逸转试验
noun
1. raceway
1. a course over which races are run
Synonym: racetrack racecourse track
2. a canal for a current of water
Synonym: race