Lifetime of excited state
[化] 激发态寿命
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
excited
[ik'saitid]
adj. 兴奋的，激动的;活跃的;激发的;受刺激的;
v. 使兴奋（ excite的过去式和过去分词）;
🗣️ 情景例句
I really enjoyed the meal.
我真的吃得很高兴。
She asked me which one I'd like, and I said I didn't mind.
她问我要哪一个，我说哪一个都没有关系。[动词时态一致，这是中国人学习英语最头痛的一个问题。]
An old woman is standing at the side of the road.
一位老大娘站在靠近红绿灯的路边。