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单词 balsa
释义
bal·sa (bôlsə)
n.
1.
a. A tropical American tree (Ochroma pyramidale) having soft wood that is very light in weight and is used as a substitute for cork in insulation, floats, and crafts such as model airplanes.
b. The wood of this tree. Also called corkwood.
2. A raft consisting of a frame fastened to buoyant cylinders of wood or metal.

[Spanish, raft, balsa tree (used to make rafts), from Old Spanish, raft, probably of pre-Roman Iberian origin.]
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更新时间:2025/3/22 10:01:06