catching：传染性的；有感染力的，吸引人的

词根词缀：catch(-cap-)拿,取 + -ing

• immunodeficiency
• immunology
• immure
• immutability
• immutable
• imp
• impact
• impacted
• impair
• impairment
• impale
• impalpable
• impanel
• imparity
• impart
• impartial
• impartiality
• impartible
• impassable
• impasse
• impassioned
• impassive
• impatient
• impeach
• impeachable