Ulcus penetrans
[醫] 穿透性潰瘍
?? 詞語組成解析
潰瘍
??? 情景例句
Life is full of ups and downs.
生活充滿起伏。
The view was terrific.
景色美極了。
On Saturday, Ann came home from school a little earlier.
星期六，安放學后提早了點回家。