R字母开头的单词或词组(第6页)：

• run riot
• run to
• run up
• run up against
• radiant
• rape
• reckless
• rectangular
• reel off
• rein in
• residential
• revolve around
• retrospect
• rigorous
• rash
• radish
• recur
• renovation
• refuge
• relatively
• reproduction
• respectively
• roller
• rotation
• rim
• radiator
• rotary
• rapidity
• rumour
• reactor
• rebellion
• refreshment
• refusal
• regenerative
• reliability
• replacement
• representation
• resistant
• resultant
• recovery
• reduction
• relativity
• repay
• resemblance