depression：(心情)抑郁；(经济)萧条  

词根词缀：de-向下 + -press-压 + -ion名词词尾

• murky
• murmur
• Murphy's Law
• mus-
• Muscadet
• muscat
• muscatel
• muscle
• muscleman
• muscular
• musculature
• muse
• Muses
• museum
• mush
• musher
• mushroom
• mushy
• music
• musical
• musicality
• musician
• musicianship
• musicology
• musing