1. Platypuses are hard to care for in zoos.
但是它们很难在动物园中生存。
2. Fannie and Freddie are the duck-billed platypuses of the financial world.
房利美和房地美是美国金融界的鸭嘴兽。
3. Lizards, platypuses, sheep, and humans could hardly be more different in anatomy or eating habits
蜥蜴、鸭嘴兽、绵羊和人类，在解剖学和饮食习惯上完全不同
4. Although the platypuses'forebrains were inactive during sleep, the brain stem was active.
虽然鸭嘴兽前脑在睡眠时停止运动，便它的神经还是运动。
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5. Lizards, platypuses, sheep, and humans could hardly be more different in anatomy or eating habits, yet the salt content in the fluid surrounding their blood cells is virtually identical.
蜥蜴、鸭嘴兽、绵羊和人类，在解剖学和饮食习惯上完全不同，但细胞周围的液体中的盐含量却基本上是相等的。
6. Although the platypuses'forebrains were inactive during sleep, the brain stem was active. So are platypuses dreaming?
尽管鸭嘴兽的前脑在睡眠中不活动，脑干却是活动着的，那么鸭嘴兽是在做梦吗？
7. Unfortunately, the real world is rife with exceptions and edge cases & duck-billed platypuses are furry and lay eggs.
不幸的是，真实的世界总是充满了例外和极端情况&鸭嘴兽既有皮毛，又通过产卵繁殖后代。