R
R and D
R, r
RA
rabbi
rabbinical
rabbit
rabbit punch
rabbit-hutch
rabbit-warren
rabbity
rabble
rabble-rouser
rabble-rousing
Rabelaisian
rabid
rabies
RAC
raccoon (esp US) (Brit also racoon)
race
race relations
race-meeting
race-riot
race-track
racecard
racecourse
racegoer
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R and D / 9B:r En 5di:; 9Br En `di/

abbr 缩写 = (commerce 商) research and development 研究与开发.



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