鍵 jiàn HSK5 key, bolt Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: bond All meanings 9 jiàn 9 key 7bond 1linchpin 1 1 sentence for 鍵 (jiàn — bond) 这种分子结构中含有一个共价键。 zhè zhǒng fēnzǐ jiégòu zhōng hányǒu yī gè gòng jià jiàn. This molecular structure contains a covalent bond. Source: Dong Chinese Dictionary