pep
/pep; pɛp/ n[U]
(infml 口) feeling of liveliness; vigour 精力; 精神; 活力
full of pep and running around like a puppy 生龙活虎般跑来跑去. pep, v (-pp-) (phr v) pep sb/sth up make sb/sth (feel) more lively or energetic; stimulate sb/sth 使某人活跃或精力充沛; 使某事物振奋
A walk in the fresh air will pep me up. 我在空气新鲜的地方散步就感到精神饱满.
lively music to pep up the party 活跃聚会气氛的欢快的音乐.