| 单词 | iron core |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔armature〕The rotating part of a dynamo, consisting essentially of copper wire wound around an iron core.电枢：电机的转子部分，主要包括绕在软铁心上的铜线美国传统〔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美国传统 |
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