mindmap root((人造)) artificial is applicable to anything that is not the reult of natural processes or conditions: the state is an ~ society; but especially to something that has a counterpart in nature or imitates something natural: ~ teeth. （来自两个词根ART表示skill技术，和词根FIC表示feign假装，如artificial satellite/intelligence/island人造卫星/人工智能/人造岛屿） factitious applies chiefly to emotions or states of mind not naturally caused or spontaneously aroused but artfully produced to serve some end: created a ~ demand for the product. synthetic applies especially to a manufactured substance or to a natural substance so treated that it acquires the appearance or qualities of another and may substitute for it: ~ furs. ersatz often implies the use of an inferior substitute for a natural product: served ~ cream with the coffee.