Dentition ulcer
[醫] 出牙性潰瘍
?? 詞語組成解析
dentition
[den'ti??n]
n. 齒系 （齒列、牙列等）;牙齒的加工;出牙;長牙;
ulcer
['?ls?]
n. <醫>潰瘍;腐爛物;道德敗壞;
??? 情景例句
Bill Gates has created a legend in the hi-tech sector.
比爾.蓋茨在高技術領域創造了一個神話。
Without practice, hopes will be reduced to zero.
沒有實踐，希望會化為烏有。
So it became known as the gold rush.
成為廣大為人知的“淘金熱”。