depression：(心情)抑郁；(经济)萧条  

词根词缀：de-向下 + -press-压 + -ion名词词尾

• armature
• armchair
• armed
• armed to the teeth
• armistice
• armless
• armoire
• armor
• armory
• armour
• army
• arnica
• aroma
• around
• arouse
• arpeggio
• arraign
• arrange
• arrangement
• arrant
• arras
• array
• arrears
• arrest
• arresting