网站首页 软件下载 游戏下载 翻译软件 电子书下载 电影下载 电视剧下载 教程攻略
霍普软件下载网-旗舰软件下载站，将绿色免费商业版破解软件、共享软件、游戏、电影、电视剧一网打尽!
| 单词 | closed book |
| 释义 |
closed book informal noun only singular ■a subject about which you know or understand nothing 一无所知的学科，完全不懂的学科 •I'm afraid physics will always be a closed book to |
| 随便看 |
|