鸭嘴兽是半水栖卵生哺乳动物，原产于塔斯马尼亚岛和澳洲地窍部及东部。
Also called duckbill semi aquatic egg-laying mammal native to Tasmania and southern and eastern Australia.
如今，这种怪诞但迷人的生物被命名为鸭嘴兽，现存的五种卵生哺乳动物之一。
Today, this bizarre but fascinating creature is known as the platypus, one of only five extant monotremes (egg-laying mammals).
鸭嘴兽（Ornithorhynchusanatinus）是仅有的两种卵生的哺乳动物之一，另一种为食蚁兽（spiny anteater），它产卵。
The platypus (Ornithorhynchus anatinus) is one of only two mammals, the other is the echidna (spiny anteater) that lays eggs.
鸭嘴兽(Ornithorhynchusanatinus)是仅有的两种卵生的哺乳动物之一，另一种为食蚁兽（spiny anteater）。
The platypus (Ornithorhynchus anatinus) is one of only two mammals — the other is the echidna (spiny anteater) — that lays eggs.
哺乳动物繁衍后代时不是卵生，而是胎生。
对哺乳动物来说，卵生和长有毒刺是很少见的。
It is very unusual for a mammal to lay eggs or to have poisonous spurs!
对哺乳动物来说，卵生和长有毒刺是很少见的。
It is very unusual for a mammal to lay eggs or to have poisonous spurs!
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