单词：upon the back of
紧跟着;在…之外(常用以表示接二连三的灾祸)
upon the back of的用法和样例：
例句
- Heavy rain came on the heels of the lightening.大雨紧跟着闪电而来。
- Tom crossed the wire just behind Brown.汤姆紧跟着布朗冲过了终点线。
- You can see for miles from the roof.你站在屋顶上可以看到数英里之外。
- I was surprised by the speediness of their arrival.他们的迅速到来出乎我的意料之外。