举例英语的前缀,后缀,(中文意思)并给出单词答:1)-ful, beautiful, wonderful, helpful, truthful 2)-ous, dangerous, generous, courageous, various 3)-ent, violent, (4) 表示由某种物质形成,制成或生产的含义 1)-en, wooden, golden, woolen 2)-ous, gaseous 3)-fic, scientific (5) 表示方向的含义 1)-ern, eastern, western 2)-ward, ...