劍橋詞典a fence , often made of wire net , that surrounds an open swimming area to protect swimmers from sharks 鯊魚柵欄（通常由鉄絲網(wǎng)制成，圍繞開放式遊泳區(qū)，保護遊泳者不被鯊魚攻擊） 返回 shark fence