become more cheerful, lively, or interesting
振作起来；活跃起来
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in the second half the dance perked up 下半场时，舞会活跃了起来
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she'd been depressed, but she seemed to perk up last week .她之前情绪低落，但是上个星期精神好像好了起来。
[with obj.](
使振作；使活跃
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the coffee had perked him up long enough to tackle the reviews .咖啡使他振奋了一段时间来处理那些评论。
〈方〉 活跃的，活泼的，生气勃勃的。
〈非正式〉 额外收入，外快，额外好处
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many agencies are helping to keep personnel at their jobs by providing perks .许多机构靠提供额外好处来留住员工。
an advantage or benefit following from a job or situation
特殊待遇，特权
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they were busy discovering the perks of town life .他们忙于发掘城镇生活的优越性。
(of coffee)percolate
（咖啡）滤煮
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while the coffee perks, head out for the morning paper .煮咖啡时，出去买早报。
[with obj.]percolate (coffee)
滤煮（咖啡）。
a coffee percolator
渗滤式咖啡壶。
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perkv.振作起来；活跃起来；滤煮；使振作；使活跃
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peakn.山峰；巅；峰值；顶峰；顶点；极值；尖顶；尖端；帽舌；山
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perprep.每；每一；经；由；靠；通过；按照；根据；依…的方向
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parkn.公园；庭园；专用场地；停车制动挡；（Park）人名：帕克
"late Middle English （in the senses ‘perch' and ‘be lively’）： perhaps from an Old French dialect variant of
