Ten year-olds are incredibly energetic.
10歲的孩子精力非常旺盛。
The heart responds well to energetic exercise.
心臟對劇烈運動反應良好。
New York's energetic nightlife is second to none.
紐約充滿活力的夜生活不亞于任何地方。
He was sawing energetically at a loaf of bread.
他正用力切著一條面包。
David chewed energetically on the gristly steak.
大衛干勁十足地嚼著盡是軟骨的牛排。
He had worked energetically all day on his new book.
他一整天干勁十足地寫他的新書。