自然科学基金会 zìránkēxuéjījīnhuì natural science foundation Definitions Defs Origin Strokes Stroke Words Sentences Sents 自然科学 自然科學 zìránkēxué noun natural sciences The study of the physical world and its phenomena, including fields such as physics, chemistry, and biology基金会 基金會 jījīnhuì noun foundation An organization or institution supported by an endowment or donated funds for specific charitable, social, or developmental purposes