自动铅笔 zìdòngqiānbǐ mechanical pencil Origin Definitions Defs Strokes Stroke Words Sentences Sents 自动 自動 zìdòng adjectiveadverb automatic (of a machine or device) self-operating via an internal control system铅笔 鉛筆 qiānbǐ noun pencil pencil; lead pencil