| 释义 |
磁针cízhēn针形磁铁,通常是狭长菱形。中间支起,可在水平方向自由转动,受地磁作用,静止时两个尖端分别指着南和北。指南针和罗盘是磁针的应用。{magnetic needle, usu. in the shape of a long, narrow rhombus, suspended in the middle so that it can move freely horizontally, with each end pointing to the north and south respectively under the force of the earth's magnetic field. The needle on a compass is an example of the application of a magnetic needle.} |