emergency ration

详细解释:【医】 紧急口粮

例句：

A food made chiefly from beef, dried fruit, and suet, used as emergency rations.牛肉糜压缩饼一种主要由牛肉、水果干和硬脂肪压制成的干肉饼，用作食物紧缺时的定量配给口粮