{"groundTruth": ["变幻无穷"], "candidates": [["层峦叠嶂", "马不停蹄", "变幻无穷", "叶落归根", "美轮美奂", "目不暇给", "奉公如法"]], "content": "“北极光在天穹下抖动着银光闪闪的帘幕，忽黄忽绿，忽而赤红，时舒时缩，#idiom#。继而撕成一条条白银般多褶的缎带，闪烁着道道鳞光，瞬时间华光皆消。不久，天顶上微光点缀，幽幽冥火，忽见一道金光从地平线上冲天腾起，倏地滑入月色之中……”这是挪威著名极地探险家南森100年前对极光的诗样描绘。", "realCount": 1}