A Michaelmas daisy, Aster novae-angliae, of central and north-eastern North America, which usually has violet-blue flowers.
Late 18th century; earliest use found in Manasseh Cutler (1742–1823).
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。