科学史 kēxuéshǐ history of science Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 这是科学史上最伟大的发现之一。 zhè shì kēxuéshǐ shang zuì wěidà de fāxiàn zhīyī. This is one of the greatest discoveries in the history of science. Source: CCMatrix