n.哺乳动物学

The kangaroo is a well-known marsupial, a type of mammal.
袋鼠是一种著名的有袋类动物，一种哺乳动物。
Bats are the only mammals capable of sustained flight.
蝙蝠是唯一能够持续飞行的哺乳动物。
Dolphins belong to the order Cetacea, which includes whales and porpoises.
海豚属于鲸目，包括鲸和鼠海豚。
Elephants are the largest land animals and belong to the order Proboscidea.
大象是最大的陆地动物，属于长鼻目。
Koalas are a species of marsupial found in Australia.
树袋熊是澳大利亚发现的一种有袋类动物。
The platypus is a unique mammal that lays eggs.
鸭嘴兽是一种独特的哺乳动物，会产卵。
Lemurs are primates native to Madagascar.
狐猴是马达加斯加原生的灵长类动物。
Rabbits are herbivorous mammals known for their rapid reproduction rate.
兔子是草食性哺乳动物，以其快速的繁殖率而闻名。
The giant panda eats mainly bamboo and is classified under the order Carnivora.
大熊猫主要以竹子为食，并被归类为食肉目。
Otters are semi-aquatic mammals that live in groups called "rafts".
(水獭是半水栖哺乳动物，它们生活在被称为“筏”的群体中。