Ulcerative
a. (使)形成溃疡, (使)溃烂, (使)腐败\\n[医] 溃疡的, 溃疡性的
🗣️ 情景例句
Are you all alone?
就你一个人吗？
It's a waste of time.
这是浪费时间。
The crowd began to shout, but the drunk was unaware of the danger.
人们开始大叫起来，但醉汉却没有意识到危险。