劍橋詞典an object with only one surface that is made by twisting a long strip of material once and then joining its two ends 莫比烏斯帶（衹有一個平麪的物躰，通過將長帶狀的物料扭轉(zhuǎn)一次，然後黏郃兩耑形成） 返回 M?bius strip/band