Wasn't that fun? We did a little improv there. Yeah!

很好玩吧？刚刚表演，！

If your remarks are extemporaneous, you have not prepared them in advance.

如果你是，说明你没有事先准备好。

At the Academy's annual Summit, Jobs gave a couple of short, extemporaneous talks to a roomful of promising young high school students.

在学院年度峰会上，乔布斯对一屋子前无量年轻高中生做了几次简短演讲。

Do they need to do clock distribution or are they doing more ad hoc parallel, like concurrent programming?

它们需要进行时钟分配，还是更多采用行方式，比如编程？

In unscripted remarks at a poverty summit in Washington, Mr. Obama described top earners, such as hedgefund managers, as lottery winners.

在华盛顿贫困问题峰会上中，奥巴马先生将对冲基金经理等高收入者描述为彩票中奖者。