fir

单词fir

基本解释

n.: 冷杉；枞
abbr.: (=food-irradiation reactor)食物辐射(杀菌)用反应堆
网络: 有限脉冲响应(Finite Impulse Response)；枞树(fir-tree)；远红外线(far infrared ray)

权威解释

• 枞；冷杉:

  an evergreen forest tree with leaves like needles

英汉解释

• food-irradiation reactor 食物辐射(杀菌)用反应堆

• 【植物;植物学】冷杉属; 枞;松科常绿树(如黄杉等)

• 远红外

• 次杉

• 冷杉木,枞木

词性分析

• 复数：firs

例句

• I glance up to see an iridescent-green hummingbird hunkered down on a fir branch, sheltered against the Tree"s trunk.

  我抬头看见一只泛着虹彩的绿色蜂鸟栖息在一棵冷杉的枝上，藉树干为它遮挡风雨。

• The FIR filter has the distinct advantages that it has linear phase characteristics and is always stable for numerical computations.

  有限冲激响应（FIR）滤波器的优点是具有精确线性相位而且总是稳定的。

• "Look what is sticking to the ugly old fir-tree, " said the child, treading on the branches till they cracked under his boots.

  「你看粘在这株丑陋的老枞树上的是什么？」那孩子说着就践踏树枝，直到它们在他的靴子底下发出霹哩拍啦的声音。

• I glance up to see an iridescent-green hummingbird hunkered down a fir branch, sheltered against the tree"s trunk.

  我抬起头，瞥见一只绿莹莹的蜂鸟落在一棵毛榉树枝上，凭借树干避着风雨。

• Our unit concentrated in the forest and for a few days we had slept on the fir-twigs by the campfire.

  我们的单位集中在森林中，我们已经在围在冷杉枝点燃的篝火旁度过了好几个夜晚。

• The Christmas season has officially arrived at the White House in the form of a six-meter balsam fir tree.

  欢庆圣诞的季节随着一棵6米高的香脂冷杉树的到来已经正式在白宫拉开序幕。

• He came round the back of the fir tree, and nearly tumbled upon the top of his Cousin Peter.

  他绕到杉树的后面，差不多要见到他表兄弟彼得的头顶了。

• around a bit, and as I grew more comfortable in my new shoes, began looking for animal tracks among the fir trees just off the trail.

  我们转了一会儿，当逐渐适应我的新鞋时，我开始在杉树林中搜寻新鲜的脚印。

• a very fine stag, with his branching antlers, was placed on the spit, and was slowly turned between the stems of two fir-trees.

  果真如此，那是一只很棒的公鹿，还带有分叉的鹿角叉在烤肉架子上，在两枞树的树干间慢慢地转着。

• I"m home now. The weather has turned. The wind is howling through the fir trees on the edge of my bluff.

  我回到家中，天气变了，风呼啸着穿过断壁边的冷杉林。