| 例句 |
The shifting magnetic fields energize particles in the Earth's atmosphere and inflame the northern lights.不断转移的磁场使地球大气中的粒子能量增加，从而点亮了北极光。His tension and anxiety circled out from him like magnetic fields.他那紧张和焦急的心情像磁场般影响四周。The secondary current sets up a magnetic field inside the tube.二次电流在管子内部会产生磁场。A meteorite collided with Earth at the same time, delivering a one-two punch to the magnetic field.同时，一颗陨石撞上了地球，给磁场造成了双重打击。It shows the presence of a magnetic field.这表明有磁场存在。 |