magnetic needle
英英释义
Noun- a slender magnet suspended in a magnetic compass on a mounting with little friction; used to indicate the direction of the earth's magnetic pole
例句
用作名词(n.)- The needle of the compass shows that we're facing south.指南针上的磁针显示我们处在朝南的位置。
- The rectangular brass frame surrounds a high-visibility magnetic needle that pivots on an adjustable support.一个清楚可见的磁针以一可移动的轴支撑，旁边的矩形框架是黄铜制成的。
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