Such cycles begin with spots appearing in mid-solar latitudes and end with them near the equator.

这样的周期活动以太阳黑子在其中纬度出现开始并随着黑子移动到赤道附近而终结。

A bright spot appears in the distance.

远处出现一个亮点。

The mistake is that the word spot appears twice.

错误在于 spot 一词出现了两次。

A bright red spot appeared on its smooth surface, like a ruby on Parian marble.

平滑的皮肤上，有一个鲜红的血斑，像是帕罗斯大理石上的一块红宝石。

White spots appeared in his vision, and he felt bruises forming on his body, from where he'd been thrown against his own armour.

他的视野中出现了白点，他感觉到自己的身体上出现了瘀伤，那是他被扔到自己的盔甲上的。