1. The fir remains green all year and its needles are distributed evenly around the branch.
    枞树终年常绿，它的针状叶均匀地长在树枝上。

2. The tree is a fir.
    这棵树是冷杉。

3. In his mouth were the remains of fir trees----the last meal that he had before he fell into the crevasse and broke his back.
    它嘴里还留着冷杉 -- 它掉进冰河裂隙折断脊椎柱之前的最后一顿饭。