第三人称复数：racetracks
1. 跑道：此外,他们也发现当电极被做成田径场跑道(racetrack)形状时,水滴便沿著跑道移动. 上述运动令人惊讶之处,在於电极是沿著长度方向产生均匀电场,并没有能量梯度(gradient)可以推动水滴. Gunji及Washizu认为这是一种「自推进」 (self-propelling)运动,
2. 跑道形放电管：racetrack 跑道形电磁分离器 | racetrack 跑道形放电管 | racetrackmicrotron 跑道型微波加速器
1. 赛马跑道;赛马场
A racetrack is a track on which horses race.
2. （赛车、比赛等的）赛道，赛场
A racetrack is a track for races, for example car or bicycle races.
1. danci.911cha.com
1. He was followed by gangster Bugsy Siegel, who cut a racetrack deal that set the city's enduring illicit tone.
2. Should Lloyd have to make that dash from racetrack to hospital, he will at least be appropriately dressed.
3. Sauber's Mexican Sergio Perez drives during a training session at Jerez racetrack on Thursday.
4. They hope it can reach speeds of over 145 mph when it is tested on a racetrack in a few weeks time.
5. Maintaining the organizers'pledge to recycle the temporary venues, the Aquatics Centre's stands are set for a new life at a racetrack in Miami.
6. Referees are not permitted to do any kind of gambling except at the racetrack during the offseason.
7. The racers usually choose a square or a wide road as their racetrack.
8. In exchange for that, he said they would be expected to support the manufacturer team on the racetrack.
noun