那位沼泽工人在泥泞中清理出了一条小路。

The ___swamper cleared a path through the muddy terrain.

伐木工人和他的助手一起把木材装上了卡车。

The lumberjack and his ___swamper loaded the timber onto the truck together.

那位沼泽地居民教我们如何在湿地上安全行走。

The ___swamp guide showed us how to walk safely on the wetlands.