spool：释义

A cylinder of wood, plastic, cardboard, or other material on which wire, thread, or string is wound.

The amount of wire, thread, or string wound on such a cylinder.

Something similar to such a cylinder in shape or function.

A reel for magnetic tape.

To wind or be wound on or off a spool.

To store (data sent to a printer) in a buffer, allowing the program that sent the data to the printer to resume its normal operation.