pit hole 洼地
hole in soaking pit 均热炉坑
open-pit deep hole 露天深孔
open-pit mine deep hole 露天矿深孔
deep hole of open pit 露天矿深孔
Either way, if its roots are pulled up from out of the ground as the tree topples over, then there's usually a big hole, a pit left in the ground where the roots used to be.
无论是哪种原因，如果树倒在地上时树根从地下被拔起，那么地面通常会有个大洞，在原来树根所在地留下一个坑。
He who digs a hole and scoops it out falls into the pit he has made.
他掘了坑，又挖深了，竟掉在自己所挖的阱里。
As a result of this, one of the metals is corroded away until a pit or hole eventually is created in the electrode.
结果，使一种金属腐蚀，最终在该电极上产生腐蚀坑或腐蚀孔。
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