1860Bartlett Dict. Amer., Pull-doo, a small black duck found in the bays and inlets of the Gulf of Mexico... The word is probably a corruption of poule d'eau, i.e. water hen.
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。