1、 Like running, race walking is physically demanding, she says, According to most calculations, race walkers moving at a pace of six miles per hour would burn about 800 calories per hour, which is approximately twice as many as they would burn walking, although fewer than running, which would probably burn about 1,000 or more calories per hour.
她说，和跑步一样，竞走也需要体力。根据大多数计算，竞走者以每小时6英里的速度运动，每小时消耗约800卡路里，大约是步行消耗的两倍，但少于跑步，后者每小时可能消耗约1000卡路里或更多。
来源:2020年普通高等学校招生全国统一考试（全国卷I）
2、 Ricky was a very demanding child.
里基是个非常苛求的孩子。
来源:秒词邦精选例句
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