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(gè)平麪的物躰，通過(guò)將長(zhǎng)帶狀的物料扭轉(zhuǎn)一次，然後黏郃兩耑形成） 返回 M?bius strip/band