| 单词 | magnetic needle |
| 释义 | magnetic needle【化】 磁针 magnetic needle magnetic needle n.（名词）A slender bar of magnetized steel usually suspended on a low-friction mounting and used in various instruments, especially in the magnetic compass, to indicate the direction of the earth's magnetic poles.磁针：一根通常悬浮于摩擦很小的底座上被磁化过的小钢条，并用于多种指示地球磁极方向的仪器，尤指磁性罗盘上 |
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