sudden名词是suddenness，表示意外，突然的意思。 扩展资料The president's final decision came with stunning suddenness.总统之最后决定的突然性令人吃惊。Emergency events are characteristic of suddenness, high uncertainty, urgency, social publicity and double effects.突发事件具有突发性、高度不确定性、紧迫性...
2026-05-21
