1
on the racetrack
用 on 表示在跑道表面上运动。
The horses galloped on the racetrack during the morning training.
早晨训练时，马儿们在赛道上飞跑。
跑道；赛道
racetracks — plural of racetrack
先理解核心含义，再看它在真实句子里的用法。
跑道；赛道
a course over which races are run
The horses galloped on the racetrack during the morning training.
早晨训练时，马儿们在赛道上飞跑。
赛跑用的跑道
A course over which any type of races are run.
进行比赛的赛道
a course over which races are run
沉积过程中形成的圆形侵蚀图案
A characteristic circular erosion pattern in deposition processes.
The horses ran around the racetrack twice before the finish.
马在跑道上跑了两圈才到达终点。
Our school built a new racetrack for the sports meet.
我们学校为运动会建了一条新跑道。
The noise from the racetrack could be heard from our house.
从我们家能听到跑道的喧闹声。
用 on 表示在跑道表面上运动。
The horses galloped on the racetrack during the morning training.
早晨训练时，马儿们在赛道上飞跑。
at 强调场地、场所，不一定在跑道表面上。
Thousands of spectators gathered at the racetrack to watch the final.
成千上万的观众聚集在赛场观看决赛。
这是名词作主语、后接形容词补语的结构，可用来描述跑道状态。
The racetrack was extremely slippery after the heavy rain.
大雨过后，赛道非常湿滑。
Not this
He ran on racetrack.
Use this
He ran on a racetrack.
racetrack 是可数名词，单数形式不能裸用；这里指具体一条跑道，需要加不定冠词 a。
Not this
He racetracked at the sports meet.
Use this
He raced at the sports meet.
racetrack 是名词，不是动词；表示“参加比赛/赛跑”要用动词 race，不能把名词当动词用。
Not this
She practices running on the racetrack.
Use this
She practices running on the running track.
racetrack 指赛车或赛马的赛道，而练跑步应使用田径跑道，英文是 running track（或 track）。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
赛马跑道
The horse racetrack is closed for maintenance.
赛马跑道因维修而关闭。
在赛道上
We spent the afternoon at the racetrack.
我们在赛道上度过了下午。
建造跑道
The city plans to build a new racetrack.
这座城市计划建造一条新跑道。
椭圆形赛道
The drivers raced around the oval racetrack.
车手们绕着椭圆形赛道比赛。
赛道博彩
Racetrack betting is popular in some countries.
在某些国家，赛道博彩很受欢迎。
这是广泛流传的俏皮话：想靠赛马场赚点小钱，唯一的办法是先带一大笔钱进去；意思是赌马几乎不可能赚钱。
He lost his entire savings at the racetrack.
他在赛马场输光了自己全部的积蓄。
Use racetracks naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
race（赛跑）+ track（踪迹/轨道）＝赛跑用的那条道，就是跑道。
语域：neutral 常见场景：体育赛事、日常交流 该词是中性词，通常用于体育或日常描述，指赛跑、赛车、赛马等比赛的跑道或赛道。
以上单词均以重读元音 /æ/ 加 /k/ 结尾，与 racetrack 末尾的 -track 押韵；注意 racetrack 开头是 race /reɪs/，不要按拼写误读成 racket /ˈrækɪt/ 或 tract /trækt/。
Dictionary facts from ECDICT, WIKTIONARY.