1·Natural sciences should be learned the way humanities courses are.
我们应该像学习人文课程一样学习自然科学。
2·Graphics are used extensively in natural sciences and social sciences.
图形在自然科学和社会科学中广泛使用。
3·A Tokay gecko hangs upside down in its terrarium at the Academy of Natural Sciences in Philadelphia, Pennsylvania.
宾夕法尼亚州费城自然科学院的养缸里，一只壁虎倒挂着。
4·Most American universities insist that students sample natural and social sciences, languages and literature before choosing a field of concentration.
大多数美国大学坚持要求学生在选择专业之前，必须先学习自然科学、社会科学、语言和文学。