spool
/spuːl/ 名词 C2中文： 卷筒
- A reel; a device around which thread, wire or cable is wound, especially a cylinder or spindle.
- One of the rotating assemblies of a gas turbine engine, composed of one or more turbine stages, a shaft, and one or more compressor or fan stages.
- A temporary storage area for electronic mail, etc.
- A splinter caught in the skin.
复数 spools
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