depression：(心情)抑郁；(经济)萧条  

词根词缀：de-向下 + -press-压 + -ion名词词尾

• light-fingered
• light-footed
• light-headed
• light-hearted
• light industry
• lighting
• lightly
• lightning
• lightning bug
• lightning conductor
• lightning rod
• light pollution
• lightproof
• lightship
• light show
• light water
• light year
• lignite
• lignocaine
• like
• likeable
• likelihood
• likely
• like-minded
• liken