file:四级通关班翻译讲义.pdf file:05.四级写译1.mp4 file:18.图表作文.mp4 file:16.解题步骤（下）.mp4 file:10.微观题型选项特征.mp4 file:四级长对话重点训练音频.m4a file:tl-lx-bihuiyuyin.pdf file:18.篇章关键词-微观方向.mp4 file:四级语法勘误说明（二）.pdf file:cet4_yf_.pdf file:20.长难句知识的综合运用.mp4 file:19.特殊结构的长难句分析.mp4 file:14.状语从句的时态.mp4