n.金属点状腐蚀；小孔；烧熔边缘；软化
I entered the quiz just for fun and found myself pitting my wits against a university professor. 我出于好玩才去参加这次智力竞赛，结果发现我要与一位大学教授斗智。
The pitting of a solid surface. 成穴固体表面坑陷
n.吐出(逆火；点燃导火线)
