n.螺旋线
名词helix的复数形式.
In the present representation this crystal would correspond to a parallel array of helices. 在这种表示法中，晶体应相当于许多螺旋线的平行排列。
The field curves the electrons' trajectories, even turning them into helices if it is strong enough. 磁场会弯曲电子的轨迹，够强的话，甚至能将电子轨迹变为螺旋线。
