42 高高架欄杆, 高高架欄杆 四面八方轉, 四面八方轉 雖然沒眼睛, 雖然沒眼睛 能把千里觀。 能把千里觀 猜 一 種科學儀器 猜一種科學儀器 Guess what? A fence high up and tall, Four sides turn to eight directions; Though it has no eyes, It look out over thousands of mile. ( A scientific instrument ) 53