text: [{"text_idx": "#000004", "text": "\u57ce\u5e02\u70ed\u5c9b / Urban Heat Islands"}, {"text_idx": "#000006", "text": "\u866b\u5bb3\u548c\u519c\u836f / Pests and Pesticides"}, {"text_idx": "#000014", "text": "\u6781\u7aef\u5bd2\u51b7\u7684\u5e94\u5bf9 / Dealing with Extreme Cold"}, {"text_idx": "#000015", "text": "\u53e4\u5e0c\u814a\u9676\u5668 / Ancient Greek Pottery"}, {"text_idx": "#000018", "text": "\u5730\u6838 / Earth' s Core"}]