blackmailn.勒索;敲诈vt.勒索;讹诈
blackboardn.黑板
blackener给物品上黑色的工人
blackeningn.涂黑;烧黑;变黑;炭粉;黑度动词blacken的现在分词形式.
blacken pan熏黑锅
blacken pot把锅熏黑
blacken down使黑暗
blackened fibre[化] 黑化纤维
blackened grain致墨晶粒
blackened mirror涂黑镜面
"The smoke blackened the ceiling"
"The ceiling blackened"
"The cook blackened the chicken breast"
"The fire charred the ceiling above the mantelpiece"
"the flames scorched the ceiling"