It is a very important point of the appearance of flow drop pit during the process of rill erosion.

细沟侵蚀过程中水流跌坑的出现是极其重要的一环。

youdao

Sewage flows through coarse bar screen and into inlet pump station drop pit, then is lifted to fine bar screen by drowned pumps.

经过粗格栅污水汇入进水泵站集水坑中，再由潜水泵提升至细格栅进水管。

youdao

The road vehicle is a city built drop pit pit in front of the door, often do not pay attention to the driver to drive the car stuck.

路面大坑车辆掉落市建行门前有一大坑，经常有司机开车不注意将车陷进去。

youdao

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

Before that, the largest three-year decline in the velocity of the monetary base ever observed was the 48.2% drop from 1930 to 1933, as the economy plunged into the pit of the Great Depression.

FORBES: This Economic Recovery Is Surely Different: It's FUBAR*