他穿着短裤，露出结痂的膝盖。

He had short trousers and scabby knees.

黑色的鸟群飞过，仓皇的黑点像是人们结痂的影子。

Black birds flew over, said a black spots like people scabby shadow.

对红斑、糜烂、浸润、丘疹、渗出/结痂、瘙痒及皮损面积的总积分进行评价。

The efficacy was determined by measuring the total scores of erythema, erosion, infiltration, papule, exudation/crust, pruritus and the extent of lesions.