哺乳动物

The kangaroo is a marsupial, which is a mammal that carries its young in a pouch.
袋鼠是一种有袋动物，它们将幼崽携带在育儿袋中。
Dolphins are mammals and they breathe air through blowholes.
海豚是哺乳动物，通过喷水孔呼吸空气。
Koalas have a high degree of mammality, sharing many characteristics with humans.
考拉具有高度的哺乳特性，与人类共享许多特征。
Platypuses are unique among mammals because they lay eggs instead of giving birth to live young.
鸭嘴兽是哺乳动物中的独特存在，因为它们产卵而不是生下活体幼仔。
Elephants are the largest land mammals and they are known for their intelligence.
大象是最大的陆地哺乳动物，以其智慧而闻名。
Bats are mammals that are capable of flight due to their wing-like membranes.
蝙蝠是能够飞行的哺乳动物，因为它们有类似翅膀的膜。
The platypus is an example of a monotreme, a type of mammal that lays eggs instead of giving birth.
鸭嘴兽是卵生哺乳动物，即单孔目动物的一个例子。
Giraffes are the tallest mammals on Earth, reaching heights of up to 18 feet.
长颈鹿是地球上最高的哺乳动物，高达18英尺。
The golden retriever is a popular dog breed that belongs to the family of canids, which are mammals.
金毛寻回犬是一种受欢迎的犬种，属于犬科动物家族，犬科动物都是哺乳动物。
Otters are semi-aquatic mammals that spend much of their time in water.
水獭是半水栖哺乳动物，大部分时间都在水中度过。