It is called Seven Mile Bridge and was completed in nineteen-eleven.

VOA: special.2010.03.22

And until 1954, running the mile in under 4 minutes was considered impossible.

直到1954年，在四分钟以内跑完一英里,被认为是不可能的。

哈佛公开课 - 幸福课课程节选

And runners proved the doctors and scientists-- proved that they were right and ran the mile in two seconds and 4 minutes, one second, but no runner could run the mile in under 4 minutes, ever since the mile was actually timed-- when they started to time runs.

跑手们证明了医生和科学家…,证明了他们是对的,一英里跑四分钟两秒，四分钟一秒，但没有跑手能少于四分钟，从一英里跑计时以来-,当人们开始计时跑时。

哈佛公开课 - 幸福课课程节选

"It is a 500-some-mile trip and in eight hours I am here."

VOA: standard.2010.07.06

"So they very quickly turn into about 13 tons per mile, and when you look at an eighty mile reach, it's phenomenal how much bio mass is taken up by these Asian Carp."

VOA: standard.2010.07.20

"At a per-passenger-mile basis, rail is about three times as efficient as travel by car, in terms of fuel efficiency, and six times as efficient as travel by air, so there are pretty substantial pollution reduction benefits both in terms of greenhouse gases and other pollutants."

VOA: standard.2010.02.15