森林管理员警告我们不要乱走，因为这片区域可能还留有捕人的陷阱。

The ranger warned us not to wander, as there might still be ___mantraps in this area.

那片沼泽布满了捕兽陷阱，困住了许多动物。

The swamp was full of ___mantraps that trapped many animals.