Ulcerating
v. （使某物）形成溃疡( ulcerate的现在分词 ); （使）腐败
🗣️ 情景例句
The times have been very bad.
时机一直很坏。
I'll be late, mom. I have to work.
妈，我要迟到了。我有工作了。
Excuse me. What's the time, please?
对不起，请问几点了？