balsa
balsa[ˈbɔːlsə, ˈbɒlsə]noun[mass noun]- (亦作 balsa wood)very lightweight timber used chiefly for making models and rafts
(主要用于制造模型和木筏的)轻木木材
- the fast-growing tropical American tree from which this timber is obtained
轻木
- Ochroma lagopus or pyramidale, family Bombacaceae
轻木。拉丁名Ochroma lagopus(或Ochroma pyramidale),木棉科
语源- early 17th cent. (denoting a kind of South American raft or fishing boat): from Spanish, raft'
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