firtree
n. 冷杉, 枞
词形变化
firtrees
复数
firtrees
释义与例句
n.
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1.
A fir.
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2.
The root of a very-high-temperature turbine blade, inserted into a corresponding slot in a disc, resembling in section a simplified image of a fir.
词汇关系
词源
From fir + tree.
来源:wiktionary