第 28 课: 动物；真的，假的-3

two pigs 两头猪

one bear 一头熊

two cows 两头牛

one tiger 一只虎

a sheep 一只羊

an elephant 一头象

The camel is standing on three legs. 那只骆驼三条腿站着

The camel is standing on four legs. 那只骆驼四条腿站着