名词
1. animal
1. Horses can be used as pack animals. 马可以用作驮畜。
2. The man was thought to be an animal because he behaved in a rough and unacceptable way. 大家把这人当作畜牲,因为他行为粗鲁,令人难以接受。
3. Human beings are social animals. 人是社会性的动物。