主题：我写的关于铁问题的research paper，请大家批评指正 -- 鸭绿江
共:💬19 🌺10
复 太多的英文问题。
Iron is one of the most important natural resources used by human beings. Not only because of its usefulness, but only also its abundance in nature. Although the history of people using iron can be traced back to as early as 3000 BC, the Iron Ages (check, Iron Age?) ......
- 相关回复 上下关系8
re 1 闲看蚂蚁上树 字184 2006-01-27 02:20:22
【原创】正好在写历史文章，谈到相关事实，摘一段来看 马前卒 字2033 2006-01-25 02:05:36
太多的英文问题。 江南阿宝 字1101 2006-01-24 21:20:24
too many.....
【原创】只看了第一段，觉得 2 闲看蚂蚁上树 字858 2006-01-23 22:28:17
很有价值，推荐一下 铁手 字0 2006-01-25 01:01:32
我试着来改写第一段 1 吴健 字1291 2005-03-09 04:32:16
语句上strong 了， 闲看蚂蚁上树 字381 2006-01-24 12:56:17