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
Tom, is that you?
汤姆，是你吗？
How long could the buyer expect your product to last?
购买者期望你们产品的使用期是多久呢？
Excuse me! Can you tell me the way to the museum, please?
劳驾！你能告诉我去博物馆怎么走吗？