fluxion：流动，不断的变化，转变，飞跑，消失 

词根词缀： -flux-流 + -ion名词词尾

• inverted snobbery
• invest
• investigate
• investigative
• investigator
• investiture
• investment
• investor
• inveterate
• invidious
• invigilate
• invigorate
• invincible
• inviolable
• invisible
• invitation
• invite
• inviting
• in vitro
• invocation
• invoice
• invoke
• involuntary
• involve
• involved