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来源:雅诚德英语网
The experiment was, he would put — the pigeon was in a cage and he'd let the pigeon get pretty hungry -hungry pigeons are not happy pigeons.
实验过程是,他把鸽子困在笼子里,还不给鸽子喂食,饥饿的鸽子怒火中烧。
The experiment was, he would put — the pigeon was in a cage and he'd let the pigeon get pretty hungry -hungry pigeons are not happy pigeons.
实验过程是,他把鸽子困在笼子里,还不给鸽子喂食,饥饿的鸽子怒火中烧。