| 单词 | 芯子 |
| 释义 | 〔eiderdown〕The down of the eider duck, used as stuffing for quilts and pillows.羽绒：绒鸭毛，用作被子和枕头的芯子〔core〕To remove the core of:取出…的芯子：〔electromagnet〕A magnet consisting essentially of a coil of insulated wire wrapped around a soft iron core that is magnetized only when current flows through the wire.电磁体：一种磁体，主要由绝缘线圈缠绕的一个软铁芯子组成，只有当电流通过线圈时芯子才被磁化〔eiderdown〕A quilt stuffed with the down of the eider duck.羽绒被：用绒鸭毛做芯子的被 |
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