you can put animals in a confined environment

所有跟贴·加跟贴·新语丝读书论坛

送交者: wasguru 于 2007-04-30, 16:16:36:

回答: 动物不读书没法做实验 由 HunHunSheng 于 2007-04-30, 14:36:11:

that everything they see are very near to them.


所有跟贴:

加跟贴

笔名: 密码: 注册笔名请按这里

标题:

内容: (BBCode使用说明)