“凹坑”的拼音为：āo kēng...

墙上仍然有她的子弹留下的凹坑。The pockmarks made by her bullets are still on the wall.当巨大物体撞击地球时，就会产生凹坑。When a large object impacts the Earth, it makes a crater.这木料上到处是凹坑,需用砂纸打磨一下.The wood is full of pits and needs sanding....

“凹坑”的英语可以翻译为：pit，[冶] steel pit ...