回火马氏体
参考答案：
过饱和的α固溶体（铁素体）和与其晶格相联系的ε碳化物组成的混合物。
– How was your holiday?
--- Very nice, though I ______.
A．get sunburn
B．look sunburnt
C．got sunburning
D．look sunburning
皮肤烫伤、烧伤的急救知识有哪些？
