(1)中间的；平均的

(2)卑鄙的

(3)不重要的；低劣的
n.中间；平均

• racing tips
• rack
• racket
• racketeer
• Racketeer Influenced and Corrupt Organizations Act
• racketeering
• rack-rent
• radiation council
• Radio Act of 1927
• radiograph
• raed
• raffle
• rageman
• ragged school
• Ragimund's-roll
• ragler
• raglor
• Ragman roll
• Ragman's roll
• raider
• raiding
• railroad
• railroad aid
• railroad aid bonds
• railroad bond