blacken
英 ['blæk(ə)n]
美['blækən]
	    - vt. 使变黑;诽谤,诋毁
 - vi. 变黑
 - n. (Blacken)人名;(英)布莱肯
 
英英释意
- 1. make or become black;
 - "The smoke blackened the ceiling"
 - "The ceiling blackened"
 
- 2. burn slightly and superficially so as to affect color;
 - "The cook blackened the chicken breast"
 - "The fire charred the ceiling above the mantelpiece"
 - "the flames scorched the ceiling"