...a bowl of fir cones.一碗冷杉树球果The rotten degree of fir trees is an important sign of quality of Abies forest.冷杉林木腐朽程度是冷杉林分质量变化的重要标志.Conifer tree style such as pine, fir, spruce, redwood, juniper, etc.针叶类树包括松树 、 杉树 、 云杉 、...
The box is made out of China fir wood.这盒子是用杉木做成的.Bolman has studied regional variation in Douglas fir seed yields.鲍尔曼曾研究过道格拉斯冷杉种子产量地区间的差异.The growth of spruce and fir needles is determinate.云杉和冷杉的针叶生长是有限的....