depression：(心情)抑郁；(经济)萧条  

词根词缀：de-向下 + -press-压 + -ion名词词尾

• pianissimo
• pianist
• piano
• pianoforte
• Pianola
• piazza
• pibroch
• pica
• picante
• picaresque
• picaroon
• picayune
• piccaninny
• piccolo
• pick
• pickaxe
• picket
• pickings
• pickle
• pickpocket
• pickup
• picky
• picnic
• pico-
• picto-