钟表学 zhōngbiǎoxué horology Definitions Defs Origin Strokes Stroke Words Sentences Sents 钟表学 鐘表學 zhōngbiǎoxué horology The study and measurement of time; the art of making clocks and watches
钟表学 鐘表學 zhōngbiǎoxué horology The study and measurement of time; the art of making clocks and watches
