Noncanceable
[经] 不可撤销的
🗣️ 情景例句
But I'm not so sure that I want to leave New York,
但我不能确定我真想离开纽约，
Children enter school at the age of five,don't they?
孩子们在5岁时入学吗？
I'm very sorry, but I can't come.
但很抱歉，我不能来。