pitting
n. 凹陷；金属表面的腐蚀，点状腐蚀；把游戏玩家带到一起战斗
v. 使留下疤痕，挖坑于；除去……的核；（比赛中途）停车加油；窖藏（pit 的现在分词）
例句
It was about the combat, the challenge of pitting ourselves against others.
这事关一种战斗，一种使我们与他人为敌的挑战。
Clinical dental fluorosis is characterized by staining and pitting of the teeth.
临床牙氟中毒的特征是牙腐蚀和损斑。
And they could clash, pitting the old and white against the young and brown.
并且他们可能会碰撞，老人和白人与青年和棕色人种的对抗。
