这些捕猎者每年冬天都会在森林里设置陷阱捕捉狐狸，以获取它们的皮毛。

The ___trappers set up traps in the forest every winter to catch foxes for their fur.

工人们在管道上安装了气体捕集器以防止泄漏。

Workers installed gas ___traps on the pipes to prevent leaks.