They may be the first humans to set foot on another planet.

VOA: special.2009.12.30

During the same period when I was first teaching this course, a veritable six-foot shelf of diatribes against literary theory was being written in the public sphere.

我一开始教这门课的时候，文学理论遭到了,公开地谩骂。

耶鲁公开课 - 文学理论导论课程节选

Remove first sock from foot.

把第一双袜子从脚上脱下。

哈佛公开课 - 计算机科学课程节选

Barack Obama was only seven years old when Neil Armstrong became the first man to set foot on the moon.

VOA: standard.2009.07.20

My son,when he was in Seconde, which is the first year of French high school, they were out blocking traffic until some angry driver rolled over the foot of a protestor and then everybody kind of went off and ate pizza.

我的儿子,他高一,也就是法国高中的第一年,他们堵住交通,直到一个愤怒的司机压过一个抗议者的脚,他们才散开回去吃披萨

耶鲁公开课 - 1871年后的法国课程节选

Friday marks the first time in nearly two years that North Korean officials have set foot in South Korea.

VOA: standard.2009.08.21