At this moment a singular event occurred, which had an effect in deciding the battle.

这时，发生了一件奇怪的事情，这件事情决定了战争的胜败。

He mused upon this singular event, and ran over the Statue with enquiring eyes.

他沉思着这个奇异的事件， 用询问的目光跑过雕像。

Here, we've got past simple, the " ed" , that's a singular event; it happened once.

在这里，我们已经过了简单的“ed”，这是一个单一的事件；它发生过一次。