短語詞組短語recurrent aphthous oral ulcer 複發(fā)性口瘡recurrent oral ulcer ROU 複發(fā)性口腔潰瘍;複發(fā)性口瘡recurrent oral ulcer rau 複發(fā)性口腔潰瘍oral recurrent ulcer 口腔複發(fā)性潰瘍 返回 recurrent oral ulcer