音標發(fā)音英式音標 [?b?v.i ?s?k]美式音標 [?b?v.i ?s?k]英式發(fā)音 美式發(fā)音 基本解釋（套在睡袋外麪以增加保護的）露宿袋，露營睡袋。同根派生 bivvy sack相關詞英英字典劍橋英英字典 a thin, light cover that fits over a sleeping bag for extra protection, often used by climbersbivvy sack劍橋字典bivvy sack柯林斯字典