Six feet deep and three feet wide.

VOA: special.2010.03.25

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

It's only about three feet wide.

桥宽仅三尺左右。

耶鲁公开课 - 心理学导论课程节选

The shield itself, as I've told you is made of a heavy wood, covered by a leather or bronze sheet about three feet across, something in the neighborhood of 16 to 20 pounds worth of shield and gripped as I told you before.

而盾牌,就像我说过的,是由沉重的木材制成,上面包裹有皮革或铜皮,约三英尺宽,大概是十六到二十磅重,就像我刚才所说的,拿起来很费劲

耶鲁公开课 - 古希腊历史简介课程节选

There were some twelve to fifteen different widths of railroads in the Northern states alone by the 1850s, and you could go into one town on a gauge, i don't know, three feet wide but on the other side of town it would come out four feet wide.

在五十年代,单就北方州的铁道,就有十二到十五种不同的轨距,你可能在一条三英尺宽的铁道上进镇,但在另一边出镇时,它变成四英尺宽了

耶鲁公开课 - 美国内战与重建课程节选