upbeat

/ʌpˈbit/ 形容词 B2

中文：乐观的、欢快的、积极的

Having a fast pace, tempo, or beat. · The notes are easy, but it's an upbeat tune and should be played fairly quickly.
Having a positive, lively, or perky tone, attitude, etc. · Though he had bad news, he ended with an upbeat forecast for the future.· He sounded upbeat when I talked to him.

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We listen to upbeat music and share interesting stories about our week.

By fusing the emotional depth of the Delta blues with upbeat tempos and amplified instrumentation, musicians inadvertently invented rock and roll.

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