鸟儿在清洁自己时，会弄乱自己的羽毛。
Birds will ruffle their feathers when they clean themselves.
一些研究者认为羽毛恐龙是从零开始进化出飞行能力的，它们在奔跑中会拍动自己带羽毛的前肢。
Some scientists argue that feathered dinosaurs evolved flight from the ground up, flapping their feathered arms as they ran.
他的蛋黄杏仁饼干外形时尚、轻如羽毛、五彩缤纷、口味各异，在竞争者看来天花乱坠；就算雷诺特先生未曾发明这些，他还是用“蛋黄杏仁饼屋”给自己的蛋糕房命名。
Rivalry whirled round his wildly fashionable, featherlight, multicoloured and multiflavoured macaroons; if Mr Lenôtre was not their inventor, he still named his house Villa Macaron after them.
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