roll in Chinese

One of a set of revolving cylinders, or rollers, between which metal is pressed, formed, or smoothed, as in a rolling mill.

An official or public document; a register; a record.

(nautical, aviation) The oscillating movement of a nautical vessel as it rotates from side to side, about its fore-and-aft axis, causing its sides to go up and down, as distinguished from the alternate rise and fall of bow and stern called pitching; or the equivalent in an aircraft.

(ergative) To revolve by turning over and over; to move by turning on a horizontal axis; to impel forward with a revolving motion on a supporting surface.

(ergative) To turn over in one's mind, as of deep thoughts; to (cause to) be considered thoroughly.