sharp at擅于 ...sharpadj.锋利的；突然的；灵敏的；明显的；辛辣的；【音】升音阶的adv.准时地；突然地；偏高地Sharpshooters and Long Range Weapons神枪手与武器sharp cooperative thermal transition急剧的协同热转化Sharp turn ahead. Drive carefully.前有急弯， 行车小心。sharptooth incarvillea rhizome and herb金鸡豇豆sharp-pointed scalpel with double edge双刃尖手术刀