收到 / 苏珊 / 寄来 / 的 / 明信片 / 时 / 我 / 才 / 知道 / 她 / 已经 / 搬到 / 了 / 海边

收到苏珊寄来的明信片时，我才知道她已经搬到了海边。

It was only when I received the postcard Susan sent that I learned she had moved to the seaside.