fir-tree aerial树形天线
fir-tree fastening树枝形固定
fir-tree fixing纵树榫头联接
fir-tree antenna树枝状天线
fir-tree root枞树形叶根
fir-tree crystal树枝晶;枝晶
fir-tree connection枞树形连接
fir r tree枞树
fir-tree blade锯齿;枞树形根轮叶
同义词：firtrue fir
N-COUNT（可数名词） A fir tree is the same as a . 同 fir