platypus
n
(pl ~es) (also ,duck-billed `platypus) small Australian furred animalwith a duck-like beak, webbed feet and a flat tail, that lays eggs but gives milk to its young 鸭嘴兽(产於澳洲).
But the station master was adamant: rules could not be broken and she had to watch that train disappear towards her destination while she was left behind.