Dental ulcer
[醫] 牙原性潰瘍
?? 詞語組成解析
dental
['dentl]
adj. 牙齒的;牙科的;（輔音）齒音的;
n. 齒音;
ulcer
['?ls?]
n. <醫>潰瘍;腐爛物;道德敗壞;
??? 情景例句
It is already.
現在已經很興奮了
Does this bus go to the train station?
這輛公共汽車去火車站嗎？
Really? I think I'll go out later, then.
真的？那么，我想我將外出。