Digging at Pit Ninety-One was recently suspended in order to pay closer to attention to a new discovery called Project Twenty-Three.

VOA: special.2010.04.07

I would be grateful if you would wait until that point if at all you possibly can. It just makes the whole thing work a little easier and it prevents that drop in the pit of my stomach when I see half of the class leave.

我将感激不尽,这样会好一点,以免我看到半数人走掉时,心情会受到影响。

耶鲁公开课 - 1945年后的美国小说课程节选

Your stomach sinks, you have that sinking feeling in the pit of your stomach, when you get a bad grade on a test.

当你考试考砸的时候,你的胃会垂下去,或者说,会有胃部下垂的感觉

耶鲁公开课 - 死亡课程节选

The caution period triggered pit stops, and an incident on pit road between Tristan Vautier and Power.

NPR: Sato 1st Japanese Driver To Win An IndyCar Race

Heat radiation coming from inside a pit, however, is more likely than not to encounter the pit's wall before it escapes into the outside world.

ECONOMIST: Solar power

After the first round of stops, Button had been slowly eating into Vettel's lead and took his revenge at the second round of pit stops when he made up a second in time in the pit lane and emerged ahead of the Red Bull on track.

BBC: By Sarah Holt