那只鹅扇着沉重的翅膀飞走了。
很多长有羽毛的恐龙因为没有翅膀，或相对于长毛的前肢来说身体过于沉重，因此也无法飞行。
Many feathered dinosaurs did not have wings or were too heavy, relative to the length of their feathered limbs, to fly.
它那怕人的翅膀仿佛在我周围沉重的空气中旋转。
Its monstrous wings seem to wheel in the leaden air around me.
它的翅膀变得十分沉重，因为它的羽毛长得又浓又厚。
Its wings have become very heavy because of its feathers and grow thick and strong.
你的眼睛，曾教会哑巴们歌唱，曾教会沉重的愚昧高飞上天，又把新羽毛加给博学的翅膀，加给温文尔雅以两重的尊严。
Thine eyes, that taught the dumb on high to sing, And heavy ignorance aloft to fly, Have added feathers to the learned's wing, And given grace a double majesty.
你的眼睛，曾教会哑巴们歌唱，曾教会沉重的愚昧高飞上天，又把新羽毛加给博学的翅膀，加给温文尔雅以两重的尊严。
Thine eyes, that taught the dumb on high to sing, And heavy ignorance aloft to fly, Have added feathers to the learned's wing, And given grace a double majesty.
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