沥青坑 meaning in English

pitch bay
slime pit

There are also endless numbers of birds in the tar as well
沥青坑里还有无数只鸟的尸体。
The la brea tar pits it is
就是拉布雷亚沥青坑了. .
Apparently what happened was that water collected on these tar pits , and the bigger animals like the elephants ventured out on to the apparently firm surface to drink , and were promptly bogged in the tar
当时的情况显然是，沥青坑里积存了水，大象那样的大动物冒险到似乎坚固的冰面上去饮水，立即掉进了沥青坑。