The bird ruffled up its feathers.
这只鸟竖起了羽毛。
The male has beautiful tail feathers.
雄鸟有美丽的尾羽。
The bird fanned out its tail feathers.
这只鸟把尾羽展成扇形。
A duck's feathers shed water immediately.
鸭子的羽毛不沾水。
The cushion split open and sent feathers everywhere.
垫子撕破了，羽毛掉得到处都是。
The female sat on the eggs, fluffing out her feathers.
母鸟抖开羽毛孵蛋。
Her hat was an amazing affair with feathers and a huge brim.
她的帽子嵌着羽毛，帽檐很宽，真是件奇物。
The bird fluffed its feathers.
鸟啄羽毛，使之抖松。
You won't ever find feathers on a mammal or gills on a primate.
你在哺乳动物身上找不到羽毛，在灵长类动物身上找不到腮。
Thor Hanson's new book takes on the intriguing subject of feathers.
托尔汉森的新书选择了一个有趣的主题：羽毛。
If it's sitting on a vertical branch, it'll groom its breast feathers.
如果它坐在垂直的树枝上，它会梳理胸脯的羽毛。
The most common materials used for nests are grasses, branches and feathers.
筑巢最常用的材料是草、树枝和羽毛。
Humming bird's feathers are mostly very bright and shine with metallic luster.
蜂鸟的羽毛大多十分鲜艳，并且闪耀着金属的光泽。
Its old and heavy wings with thick feathers on its body make it difficult to fly.
它又旧又重的翅膀上长着厚厚的羽毛，这使它很难飞行。
In the twinkling of an eyelid, the Cat leaped on him, and ate him, feathers and all.
眨眼间，那只猫跳到他身上，把他连羽毛都吃掉了。
He would weave dry grass and reeds into small nets, stuffing them with feathers and moss.
他会把干草和芦苇编织成小网，再用羽毛和苔藓把它们填满。
In birds the second finger is the principal strut of the wing, which consists primarily of feathers.
鸟类的第二根手指是翅膀的主要支柱，翅膀主要由羽毛组成。
She showed him the feathers that they had dropped into the courtyard, and which she had gathered up.s
她把羽毛拿给他看，羽毛是他们掉在院子里的，并且是她拾起来的。
As feathers became larger over time, flapping flight evolved and birds finally became fully air-borne.
随着时间的推移，羽毛变得越来越大，扑翼飞行逐渐发展，鸟类最终完全可以在空中飞行。
Larger feathers could have increased lift incrementally, until sustained flight was gradually achieved.
较大的羽毛可以逐渐增加升力，直到逐渐实现持续的飞行。
It was the biggest crow she had ever seen, plump and sleek, with rainbows shining in its black feathers.
这是她见过的最大的一只乌鸦，它丰满而且光滑，黑色的羽毛闪烁着彩虹般的光芒。
For example, the ostrich has plumage that is so constructed that the feathers are long but not too dense.
例如，鸵鸟的羽毛构造使它的羽毛长而不密。
In that case, the parent will save its best performances until just before the babies get their feathers.
在这种情况下，父母会把自己最好的表现保留到孩子即将长出羽毛的时候。
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