prematurely 词形变化: 副词: prematurely | 名词: prematureness | 同义词: early | hasty | forward | advanced | headlong | abortive | precocious | untimely | previous | late | rash | precipitate | impulsive | too | soon | or | forwards | 反义词: full-term | 词义辨析: 同义参见: headlong