2, the basic meaning, for polyphonic words:
[Zhu An]
(1) file is saved in office ~ cases. Turn ~ Check.
[June]
(1) Bend things, wrap them into a tube, and hang bamboo curtains.
(2) Paper used for rolling. One ~ bedclothes.
(3) Does a great force pick things up or wrap them up?
(4) The things wrapped in the cylinder are covered. Send the calendar in an envelope.
3. Word combination: examination paper, examination paper, roll bedding, roll search, etc.