pep [pep]

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附加级

n. 活力, 气力 v. 鼓起精神

The Democrats held a pep rally on Capitol Hill yesterday. 民主党昨天在国会山召开了竞选誓师大会。
I gave him an extra dose of glucose to pep him up. 我给他多注射了一剂葡萄糖以增强他的活力。