spoolerWiktionary 原文英美构词拆解spoolspool词干er-er后缀-er(added to verbs) A person or thing that does an action indicated by the root verb; used to form an agent noun. · (added to verbs, informal) A person or thing to which the root verb is done or can be done satisfactorily.词源说明From spool + -er.释义名词noun1(textiles) A device or person that winds thread onto a spool.2(computing) A program or process that spools (places data in a queue to be accessed later).