fir-tree

fir-tree 基本解释

枞树, 冷杉树

fir-tree 词性变化

名词复数形式:fir-trees

词组短语

1、fir tree 枞树, 杉树

2、fir tree crystal 枞树晶体

fir-tree 用法和例句

1、May you live long and remain strong like the evergreen pine and fir tree!

松柏长青

2、The fir tree is black at the trunk, white out at the edges.

冷杉的树干是黑色的，而树冠则披着白色。

3、Fir tree branches and Christmas lights decorate this street in Helsinki.

芬兰首都赫尔辛基以枞树枝和圣诞灯装扮得街道。

4、ON THE THREE DIMENSIONAL CONTACT STRENGTH OF FINAL ARC FIR TREE BLADE ROOT AND ROTOR

末级圆弧枞树型叶根与轮缘三维接触强度研究

5、The contacting problem of the fir tree blade root and wheel rim of steam turbine is studied in this paper.

就汽轮机枞树形叶根齿面与轮缘的接触状态进行了研究。

重点词汇

tree n. 树；木料；树状图；宗谱 vt. 把…赶上树；使处于困境；把鞋型插入（鞋内）