競技場的用法和樣例：
例句
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競技場古希臘、羅馬的郁圓形露天運動場有進行賽馬和馬車比賽的橢圓形跑道
An open-air stadium with an oval course for horse and chariot races in ancient Greece and Rome. -
競技場所舉行比賽或表演的圓形角斗場
An arena where contests and spectacles are held. -
羅馬競技場是很出名的。
The Roman arena was very famous.
