【正文】
人行橋 爬,攀登 護(hù)欄 小心的;仔細(xì)的 翻越 危險(xiǎn)的 安全的 人行道 停止 人行橫道 穿越,橫跨 footbridge crosswalk sidewalk traffic light climb over underpass play with fire Traffic light Be careful, be careful. Don’t run downstairs. It’s dangerous. Don’t climb the window. It’s dangerous. Don’t play with fire. It’s dangerous. Be careful, be careful. Be