释义 |
n pole 基本例句 化指北极 TheN poleand S pole of two magnets will attract each other.两个磁体的N极和S极互相吸引。 When drawing diagrams of magnetic fields it is usual to put arrow-heads on the lines of force to show which way the force acts on aN pole.当画磁场示图时,通常在磁力线上画一个箭头表示该力作用于北极的方向。 He flew to Europe via the North Pole.他经由北极飞到欧洲。 |