
好词典

源自拉丁语 'excitare',意为 '唤醒' 或 '激发',后经法语 'excitation' 进入英语。
❶ 兴奋或激动的状态,通常指因某种刺激或事件引发的强烈情绪反应。
“The children were full of excitation before the school trip.”
(孩子们在去学校旅行前充满了兴奋。)
“Her voice trembled with excitation as she announced the news.”
(当她宣布这个消息时,她的声音因兴奋而颤抖。)
❶ 物理学中指原子或分子因吸收能量而从低能级跃迁到高能级的状态。
“The excitation of electrons is essential for the emission of light.”
(电子的激发对于光的发射至关重要。)
“The laser works by causing excitation in the atoms of the medium.”
(激光的工作原理是使介质中的原子激发。)
excitation energy — 激发能,指原子或分子从基态跃迁到激发态所需的能量。
“The excitation energy of this molecule is relatively low.”
(这种分子的激发能相对较低。)
state of excitation — 激发状态,通常用于描述原子、分子或人的高度兴奋状态。
“The atoms remain in a state of excitation for a short period.”
(原子在激发状态下保持很短的时间。)