The air sampled from the South Pole's clean air sector (a zone where air traffic, land vehicles, and even foot traffic is strictly limited) is touted as the cleanest air on Earth.

南极的洁净空气扇区(这个区域基本上没有任何空中，地面交通工具，甚至连行人都没有)被认为是地球上空气最干净的地方。

youdao

Even though they called the election and had been preparing for it for some time, they got off on the wrong foot.

虽然他们召集了这次选举，也为此准备了一段时间，他们还是出师不利。

《柯林斯英汉双解大词典》

An overview of some research into lateralisation: the dominance of one side of the body over the other creatures across the animal kingdom have a preference for one foot, eye or even antenna.

有关侧化的一些研究的概述：在动物界中，身体一侧对其他生物的支配通常是由一只脚、一只眼睛，甚至是一根触角来完成的。

youdao

Comes to mind, what happened, even foot-binding, that was something very common practice, basically erased within a generation.

突然想到了缠足这件事，这曾经是很常见的事情，而随着时代的变迁，它也已经淡出历史了。

普林斯顿公开课 - 人性课程节选

Of course, all this automation is needed before the first consumer even sets foot in the store.

FORBES: India Opens Its Retail Sector, Why The IT Guys Should Rejoice

Later, the Vatican released a limited video of the ritual, showing Francis washing black feet, white feet, male feet, female feet and even a foot with tattoos.

NPR: Pope Washes Feet Of Young Detainees In Ritual

Many mining experts have told me the toxic pollution from the mine will likely turn Mes Aynak into a site so toxic that in the future people will be advised against even setting foot on the ground.

CNN: Ancient site needs saving not destroying