section：部分，章节；地区，部门，科；截面，剖面

词根词缀： -sect-切割 + -ion

• imperatorial
• imperceptible
• imperfect
• imperial
• imperialism
• imperialist
• imperil
• imperious
• imperishable
• imperium
• impermanent
• impermeable
• impermissible
• impersonal
• impersonate
• impersonator
• impertinent
• imperturbable
• impervious
• impetigo
• impetuous
• impetus
• impinge
• impious
• impish