单词	perk
释义	perk 3 (pûrk) intr.v. perked, perk·ing, perks Informal To percolate: The coffee was perking on the stove.
随便看	phase phase contrast microscope phased array phasedown phase in phase-in phase inverter phase microscope phase modulation phase out phaseout phase rule phase shift phase space phase transition -phasia phasic phasmid phat phatic phatically Phaëthon PhB PhC PhD

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