一、burned 和 burnt 都是 burn 的过去式或过去分词
1、作动词时，译为“燃烧，着火，（使）烧毁，烧伤，烧死”等，例如：
burned:
A wood fire burned in the grate.木柴在炉栅中燃烧着。
Ten people burned to death in the hotel fire.旅馆火灾中有十人被烧死。
She burned the letters so that her husband would never read them.
她把那些信都烧了以便永远不让她丈夫看见。
burnt:
A hot coal fell out of the fire and burnt the carpet.一块燃烧着的煤块从火炉里掉出来把地毯烧了。
His greatest fear is of being burnt alive.他最怕的是被活活烧死。
The fire had burnt out before the fire engines arrived.救火车到达之前火就熄灭了。
2、作形容词时，译为“烧坏的；烧伤的；烫伤的；灼伤的”，
例如：
burned:
The burned marshmallow belongs to Jerry.
烧过的棉花糖是杰瑞的。
burnt:
Give me the crayon called burnt orange.
把那支叫焦橙色的蜡笔给我。
The surgeon applied some ointment to my burnt fingers.
外科医生在我烧伤的指头上敷了一些药膏。
