n.潰瘍
名詞ulcer的復(fù)數(shù)形式.
Gargle baking soda water to help with ulcers. 用小蘇打水來漱口可以預(yù)防潰瘍。
The ulcers of chancroid are not contagious. 軟性下疳的潰瘍沒有傳染性。
