劍橋詞典[ 可數(shù)名詞：有復數(shù)形式的名詞 ] (also elliptical trainer) a piece of exercise equipment designed to exercise all of the body's main groups of muscles 多功能訓練器材，綜合訓練器材 [ 可數(shù)名詞：有復數(shù)形式的名詞 通常作為復數(shù)使用的名詞 ] (also cross-training shoe) a sports shoe that is suitable for wearing in the gym (= a room or building where you can exercise ) and also for running and other sports 多用途運動鞋，綜合訓練鞋 返回 cross-trainer