Leaf → flower petal → butterfly wing → dragonfly wing → bird feather → songbird wing → eagle wing → glider wing → paper airplane wing → biplane wing → propeller airplane wing → passenger jet wing → fighter jet wing → spacecraft wing → solar sail → solar panel → satellite → space telescope
叶片 → 花瓣 → 蝴蝶翅膀 → 蜻蜓翅膀 → 鸟类羽毛 → 鸣禽翅膀 → 鹰翼 → 滑翔机机翼 → 纸飞机机翼 → 双翼机机翼 → 螺旋桨飞机机翼 → 客机机翼 → 战斗机机翼 → 航天器机翼 → 太阳帆 → 太阳能电池板 → 卫星 → 太空望远镜
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