It is used in conjunction with a non-spherical pit, in the shape of a rugby ball, or explosives in that shape wrapped around a spherical pit, and it works by compressing the pit from both ends.

这种设计采用橄榄球形状的非球体料坑，在引爆时从两边同时积压中间包裹的弹芯。

youdao

And he opened the bottomless pit; and there arose a smoke out of the pit, as the smoke of a great furnace; and the sun and the air were darkened by reason of the smoke of the pit.

他开了无底坑，便有烟从坑里往上冒，好像大火炉的烟。日头和天空，都因这烟昏暗了。

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The toothpicks will help suspend the avocado pit in water and keep the top part of the pit in fresh air and the fat base of the pit under the surface of the water.

牙签可以帮助把油梨核在水里撑起来，让上部在新鲜空气里，肥大的下部在水下。

youdao

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