When unpaired electron spins line up parallel to each other, you get ferromagnetism, or a mineral that's an actual magnet.

当未配对的电子自旋互相平行时，你将见到铁磁性，或者一个实际上是磁体的矿物。

A spider begins its web by spinning a bridge line, the basic element from which the entire web will be suspended.

蜘蛛结网前要先拉出一条桥线，这是整张网悬挂的基础。