铅芯 qiānxīn pencil lead Definitions Defs Origin Strokes Stroke Words Sentences Sents 铅芯 鉛芯 qiānxīn pencil lead The graphite core inside a pencil; also refers to leads for mechanical pencils
铅芯 鉛芯 qiānxīn pencil lead The graphite core inside a pencil; also refers to leads for mechanical pencils
