plastic cage

例句：

1. 1.The bird was kept in a plastic cage.
   那只鸟被关在塑料笼子里。
2. 2.The children were playing in the plastic cage.
   孩子们在塑料笼子里玩耍。
3. 3. The plastic cage was too small for the bird.
   这个塑料笼子太小了，不适合这只鸟。