R字母开头的单词或词组(第8页)：
- radiation
- recommendation
- Regan
- rewind
- recount
- Rudyard Kipling
- renaissance
- ridiculous
- repetition
- renewable
- result in
- recognition
- rod
- ring off
- ring back
- regardless of
- radioactive
- radioactivity
- revision
- repentance
- receptionist
- reckoning
- rusty
- reservation
- relative size
- restriction
- red date
- Rafflesia arnoldii
- RADA
- ring up
- refund
- requirements
- refer to
- rid of
- rebuild
- relief
- rhino
- rap
- rely on
- reunite
- rooster
- religious
- read a magazine
- ride a bike