哈哈,京北,我能确定你不是学生物的。嘎嘎嘎:)
所有跟帖:
• 嗯。 生物科学 greatly enriched our lives, but it never appealed to me. -jingbeiboy- ♂ (0 bytes) () 08/26/2012 postreply 21:11:36
• 我猜对啦。:)What appealed to you?:) -beautifulwind- ♀ (0 bytes) () 08/26/2012 postreply 21:18:12