n. a characteristic (habitual or relatively temporary) state of feeling
n. a disposition to exhibit uncontrolled anger
n. the elasticity and hardness of a metal object; its ability to absorb considerable energy before cracking
v. harden by reheating and cooling in oil
n. (钢等的)硬度, 脾气, 心情, 中和剂, 倾向, 回火
vt. 使回火, 锻炼, 调和, 使缓和
vi. 回火