短語(yǔ)詞組短語(yǔ)recurrent aphthous oral ulcer 復(fù)發(fā)性口瘡recurrent oral ulcer ROU 復(fù)發(fā)性口腔潰瘍;復(fù)發(fā)性口瘡recurrent oral ulcer rau 復(fù)發(fā)性口腔潰瘍oral recurrent ulcer 口腔復(fù)發(fā)性潰瘍 返回 recurrent oral ulcer