The president did not refer to a new round of threats from the pirates, who say they want revenge for the killing of three of their own in the rescue operation.

VOA: standard.2009.04.13

Round three, go. And this spells?

第三轮，开始，它代表什么呢？

哈佛公开课 - 计算机科学课程节选

It was a great round shield about three feet across and it had--let me step out here so that I can show you. Can you hear me back there?

它是一块直径大概有三英尺的巨大圆盾,恩,它还有...我出来演示吧,这样你们就能看清楚,能听到我说话吗

耶鲁公开课 - 古希腊历史简介课程节选