Ulcerative
a. (使)形成潰瘍, (使)潰爛, (使)腐敗\\n[醫] 潰瘍的, 潰瘍性的
??? 情景例句
OK. I'll take that one.
好，我就要這一輛。
He sketched his own part in the affair.
他概述了自己在此事中的作用。
Jim looks at Li Lei's apples. Oh! he says.
吉姆看看李壘的蘋果。“噢！”他說