农民们正在储存大量谷物以备冬季使用。

Farmers are ___stockpiling large amounts of grain for winter use.

该国一直在秘密储备导弹以增强军事力量。

The nation has been secretly ___stockpiling missiles to strengthen its military power.

农民们正在囤积粮食以防干旱季节到来。

Farmers are ___stockpiling grain in case of a drought season.