scrapyard

noun

1. （堆放旧汽车、旧机器等的）废品场
   a place where old cars, machines, etc. are collected, so that parts of them, or the metal they are made of, can be sold to be used again

1. (废汽车、船只等的)废料场，废品场
   A scrapyard is a place where old machines such as cars or ships are destroyed and where useful parts are saved.

in AM, use 美国英语用 junkyard

1. He got old microwave ovens from a scrapyard and removed their magnetic coils, running a current through them to make electromagnets strong enough to hold his body weight.
   他从废料场收来一些老旧微波炉，拆下磁性线圈，给它们通电，让电磁铁的磁力大到足以承受他的体重。
2. A few years ago, that Tangshan street boasted not much more than a scrapyard for old machines.
   几年前，唐山的那条街道不过就是废旧机器的垃圾场。