补给不足 meaning in Chinese

underfeed

The supply of sediment is insufficient to offset the rate of subsidence .
沉积物的补给不足以抵偿沉降的速率。
In the very ending , the survival catched the robber
补给不足，他们有人牺牲了，有人垂死。
The refugee camp is suffering from shortage of food and supply
难民营深受食物和补给不足之苦。
The refugee camp is suffering from a shortage of food and supplies
难民深受食物及补给不足之苦。