a paper from field crop的用法和样例：
- A single sheet of paper from Konan's body becomes a paper airplane.
- He stands and takes out a paper from a pile with his telephone as a paperweight.
- A paper from 1942 reports a woman falling 28metres from her apartment building into freshly tilled soil.She walkedaway with just a fractured rib and broken wrist.
- She stuck a pin in, to prevent the paper from slipping.