翻译i don't know what this metel is,he said,looking closely at it 要自己翻译,不要借助百度翻译器
问题描述：
翻译i don't know what this metel is,he said,looking closely at it 要自己翻译,不要借助百度翻译器
答
我不知道这是什么金属,他仔细观察着说.(look closely at 审视,这里可以理解成仔细观察)