1818Shelley Julian 538 One unsustaining reed.
1820― Sensit. Pl. 78 The light winds which from unsustaining wings Shed the music of many murmurings.
1880I. L. Bird Japan II. 267 Rice and eggs were..unsustaining food.
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。