自由组合规律

law of independent assortment

• peramplifier
• percale
• percaline
• per capita
• perceive
• percent
• percentage
• percept
• perception
• perceval
• perceval，spencer
• perch
• perchance
• percheron
• perching bird
• perching duck
• percier，charles
• percies:
• percipience
• percuss
• percussion cap
• percussion instruments
• percys:
• percy，bishop thomas
• percy，sir henry