用法:
1 (also dug-out canoe) canoe made by hollowing out a tree trunk 独木舟.

用法:
2 rough covered shelter, usu for soldiers, made by digging in the earth 掩蔽部, 防空洞（通常为士兵用的）.

• receptacle
• reception
• reception desk
• receptionist
• reception room
• receptive
• receptiveness, receptivity
• recess 1
• recession
• recessional
• recessionary
• recessive
• recharge
• rechargeable
• recherche
• recidivism
• recidivist
• recipe
• recipient
• reciprocal
• reciprocally
• reciprocal pronoun
• reciprocate
• reciprocating engine
• reciprocation