3.they warbled incessantly, their throat feathers ruffled.
它们不停地啭鸣，喉部毛竖了起来。
4.A bird that has loose, ruffly feathers is probably happy.
毛看上大多是一只快乐鹦鹉。
5.The feathers of a bird's wing underlap each other.
鸟翅上毛是部分相互重叠。
6.A duck's feathers shed water.
鸭子毛不沾水
7.owls with feathers wrong end to.
毛方向不对鹰
8.The bottom of the nest is laid with feathers and hair.
巢底部是用毛和发铺成。
9.Feathers initially developed from insect scales.
毛最初由昆虫翅瓣演化而来。
10.Adjust the Z intensity of the standard brush to 28 now and draw a new set of feathers through the FeatherSet.01 subtool until they appear to overlap (or underlap) the feathers of FeatherSet.01.
调整standard笔刷深度到28，托拽出一套新毛，使其部分浮现于第一个毛子物体之上。
11.The bird fluffed out its feathers in the sun.
那只鸟儿在阳光下抖开毛。
12.Mattress are filled with feathers, cotton, or straw.
床垫里塞满了毛、棉花或草。
13.pluck a flower; pluck feathers from a chicken; plucked a rabbit from the hat.
摘一朵花；拔鸡毛；从帽子里抓出一只免子来
14.An example of macroevolution is the appearance of feathers during the evolution of birds from theropod dinosaurs.
宏进化一个例子是鸟类在从兽角亚目恐龙进化期间毛出现。
15.a pillow stuffed with feathers; balloons filled with helium.
用毛装满枕；装满氦气气球
16.The peacock displayed its fine tail feathers when it noticed any gay colours.
孔雀看到鲜艳颜色就开屏。
17.Peregrine falcons usually pluck the feathers and strip the flesh off their bird prey.
游隼捕到鸟类猎物时，通常是先拔掉它们毛，再把肉撕下来。
18.a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair feathers nails and hooves.
外层皮肤和发、皮肤、指甲及蹄等组织里纤维硬蛋白质。
19.According to his teachers, Nick was a sweet and loving child who always tried to smooth ruffled feathers and always supported his classmates and friends.
毛；有尖
状裂缝
观点；若发现问题，欢迎向我们指正。
鹰
