underwing feathers
翼下羽毛
underwing pattern
翼下图案
underwing coloration
翼下颜色
underwing markings
翼下标记
underwing display
翼下展示
underwing area
翼下区域
underwing species
翼下物种
underwing habitat
翼下栖息地
underwing behavior
翼下行为
underwing identification
翼下鉴定
the bird spread its underwing to show off its vibrant colors.
那只鸟展开了它的翅膀，展示出鲜艳的色彩。
underwing patterns can help birds camouflage in their environment.
翅膀下的花纹可以帮助鸟类在环境中伪装。
the underwing of the moth was covered in soft, velvety scales.
这只蛾的翅膀下部覆盖着柔软的天鹅绒鳞片。
birdwatchers often look for unique underwing markings.
鸟类观察者常常寻找独特的翅膀下部标记。
the underwing of the butterfly was a beautiful shade of blue.
这只蝴蝶的翅膀下部呈现出美丽的蓝色。
identifying species can be easier by observing their underwing features.
通过观察它们的翅膀下部特征，可以更容易地识别物种。
some birds use their underwing feathers to attract mates.
一些鸟类利用它们的翅膀下羽毛来吸引伴侣。
the underwing of this species is darker than its upper side.
这种物种的翅膀下部比上面更暗。
during flight, the underwing provides stability and balance.
在飞行过程中，翅膀下部提供了稳定性和平衡。
photographers love to capture the intricate patterns of underwings.
摄影师喜欢捕捉翅膀下部的复杂图案。
underwing feathers
翼下羽毛
underwing pattern
翼下图案
underwing coloration
翼下颜色
underwing markings
翼下标记
underwing display
翼下展示
underwing area
翼下区域
underwing species
翼下物种
underwing habitat
翼下栖息地
underwing behavior
翼下行为
underwing identification
翼下鉴定
the bird spread its underwing to show off its vibrant colors.
那只鸟展开了它的翅膀，展示出鲜艳的色彩。
underwing patterns can help birds camouflage in their environment.
翅膀下的花纹可以帮助鸟类在环境中伪装。
the underwing of the moth was covered in soft, velvety scales.
这只蛾的翅膀下部覆盖着柔软的天鹅绒鳞片。
birdwatchers often look for unique underwing markings.
鸟类观察者常常寻找独特的翅膀下部标记。
the underwing of the butterfly was a beautiful shade of blue.
这只蝴蝶的翅膀下部呈现出美丽的蓝色。
identifying species can be easier by observing their underwing features.
通过观察它们的翅膀下部特征，可以更容易地识别物种。
some birds use their underwing feathers to attract mates.
一些鸟类利用它们的翅膀下羽毛来吸引伴侣。
the underwing of this species is darker than its upper side.
这种物种的翅膀下部比上面更暗。
during flight, the underwing provides stability and balance.
在飞行过程中，翅膀下部提供了稳定性和平衡。
photographers love to capture the intricate patterns of underwings.
摄影师喜欢捕捉翅膀下部的复杂图案。
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