Ten year-olds are incredibly energetic.
10岁的孩子精力非常旺盛。
The heart responds well to energetic exercise.
心脏对剧烈运动反应良好。
New York's energetic nightlife is second to none.
纽约充满活力的夜生活不亚于任何地方。
He was sawing energetically at a loaf of bread.
他正用力切着一条面包。
David chewed energetically on the gristly steak.
大卫干劲十足地嚼着尽是软骨的.牛排。
He had worked energetically all day on his new book.
他一整天干劲十足地写他的新书。