prolate：扁长的，延长的；扩大的，扩展的  

词根词缀：pro-前 + -lat-携带,拿取 + -e

• residue
• residuum
• resign
• resignation
• resigned
• resilience
• resilient
• resin
• res ipsa loquitur
• resist
• resistance
• resistant
• resistor
• resit
• resize
• reskill
• resolute
• resolution
• resolvability
• resolve
• resonance
• resonate
• resort
• resound
• resource