record in letters of gold; write volumes about; 大书特书
take up the pen and write vigorously 振笔直书
regular script 楷书
a teachers' [students'] book; 教师 [学生]用书
a book out of print; 绝版书
a letter to [from] home 家书
letter of credence; credentials; 国书
instrument of ratification; 批准书
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)