Ulcerating
v. （使某物）形成溃疡( ulcerate的现在分词 ); （使）腐败
🗣️ 情景例句
Did you find the sandwich I made for you?
你找到我为你做的三明治了吗？
You cannot clap with one hand.
孤掌难鸣。
The brain needs a continuous supply of blood.
大脑需要连续不断地供血。