单词	ingratitude
释义	in·grat·i·tude (ĭn-grătĭ-td′, -tyd′) n. Lack of gratitude; ungratefulness.
随便看	retrieval retrieval engine retrieve retriever retro retro- retroact retroaction retroactive retroactively retroactivity retrocede retrocession re-trod re-trodden retroelement retrofire retrofit Aristophanes of Byzantium Aristotelean Aristotelian Aristotelianism Aristotelian logic Aristotle Aristotle Socrates

英语词典包含135693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。