race course的用法和樣例：
例句
- In former days there was a race course here.
從前這兒有個賽馬場。 - "A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more."
"科幻小說不能簡單地看成是供消遣的，而實際上它給讀者展示更深刻的內容。" - The new race track is nearly six miles in extent.
這條新跑道將近六英里長。 - Some boys were racing along the course.
有幾個男孩正在跑道上賽跑。
