“补给”造句

阿富汗空军正用直升机向被围城镇提供补给。
The Afghan air force was using helicopters to supply the besieged town.

这些补给要卸下来装上直升机。
The supplies need to be offloaded and put on helicopters.

各种补给都不稳定，食品也短缺。
Supplies of everything are unreliable, food is short.