I sought and acted upon the best advice available to me.我集思广益, 采纳了能得到的最佳建议。

Officials have said the information was too vague to act upon.官员们说此消息尚不清楚, 不能依此行动。

I acted upon your letter at once.我立刻依据你的信件采取了行动。

If they act upon orders to use weapons of mass destruction, they will face war crimes trials if captured.假如他们执行使用大规模杀伤性武器的命令, 那么一旦被抓获, 他们将面临战争罪的审判。

When sweat is left on the surface of the body, it is acted upon by bacteria, producing an odour.汗液留在身体表面后, 便会在细菌的作用下, 产生异味。