由于车主拖欠罚单，市政府扣押了他的摩托车。

The city government ___impounded his motorcycle because the owner had unpaid tickets.

动物控制中心从疏于照顾的主人那里扣押了那只被遗弃的猫。

The animal control ___impounded the abandoned cat from its neglectful owner.

这座大坝用来蓄积雨水，以备旱季使用。

The dam ___impounds rainwater for use during the dry season.