英语语法分析

Bullous or ulcerated lesions may also be seen.

也可能会看到水疱、溃疡。

Here the gastric mucosa has been lost, or ulcerated.

胃粘膜已经消失或溃烂。

In severe cases, frostbite, and the lesion has ulcerated who can not use this method.

情节严重的，冻伤，并有溃疡病灶谁不能使用此方法。