noun 下载 🔗分享 磁力计,磁强计 An instrument used to measure the intensity and direction of a magnetic field, especially at points on the Earth's surface. Examples : "The geologist used a magnetometer to map the underground magnetic field and search for iron ore deposits. " 地质学家使用磁力计来绘制地下磁场图,并寻找铁矿矿藏。 technology geology physics device science 与AI对话词汇游戏阅读练习