-
1. The survivalist used a life-support back pack to carry all his supplies.
生存主义者使用一个生命支持背包来携带所有他的物资。
-
2. The hiker carried a life-support back pack filled with food and water.
徒步旅行者携带着装满食物和水的背负式背包。
-
3. The soldier used a life-support back pack to transport the wounded soldiers back to the base.
士兵使用背负式背包将伤员运回基地。