名词
中文翻译：硬跑道
同义词：
['hard surface', 'hard surface track']
例句：
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1.The athletes are competing on a hard running track.
运动员们在硬跑道上进行比赛。
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2.The school has built a new hard running track for the students.
学校为学生修建了一个新的硬跑道。
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3. The athletes are competing on a hard running track.
运动员们在硬跑道上进行比赛。