R字母开头的单词或词组(第14页)：
- regularity
- regulation
- reject
- relation
- relationship
- relative
- relax
- relevant
- reliable
- relieve
- rely
- remain
- reluctant
- remark
- remember
- remarkable
- remedy
- remind
- remote
- renew
- racy
- rabble
- raffle
- rabid
- rabies
- raconteur
- radius
- raffish
- rafter
- rag
- rage
- ragged
- ragtime
- raid
- rail
- raisin
- rakish
- ram
- rally
- rambunctious
- ramble
- ramify
- rampage
- rampant