1882Ch. Times XX. 21, I fear to find myself with a[n]..unlettable glebe on my hands.
1893Duke of Argyll Unseen Found Soc. x. 305 Farms which have been unlettable.
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。