epistolary/ɪˈpɪstələrɪ; ?@ -lerɪ; ɪ`pɪstəˌlɛrɪ/ adj(fml 文) of, carried on by, or written in the form of letters 书信的; 用书信进行的; 书信体的 an epistolary friendship 书来信往的友谊 an epistolary novel 书信体小说.
牛津英汉双解词典