基本解释弓形墨水圆规英汉例句权威例句He made a few more dashes with the pen, and a cute, floppy bow materialized, tying up the toes like a present.NEWYORKER: Sole Mate词组短语短语pen bow [测]小圆规专业释义经济学两脚规交通运输工程小圆规