资料来源 : pyDict

撑筏者

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Raftsman \Rafts"man\, n.; pl. {Raftsmen}.
   A man engaged in rafting.

资料来源 : WordNet®

raftsman
     n : someone who travels by raft [syn: {raftman}, {rafter}]