介词短语
中文翻译：在平地上
同义词：
['on the ground', 'on the surface', 'on the ground level']
例句：
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1. The team is practicing on the field before the game.
球队在比赛前在场上训练。
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2.The car is parked on the grass in front of the house.
汽车停在房子前面的草地上。
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3. The book is lying on the table next to the chair.
书躺在椅子旁边的桌子上。