Spin-allowed transition
[化] 自旋容许跃迁
🧩 词语组成解析
spin
[spɪn]
vi. 纺纱;吐（丝），作（茧），结网;快速旋转;眩晕;
vt. 纺（线）;吐丝，将…抽成丝;讲述，尤指通过想象地;使延长，使延伸;
n. 旋转的行为;快速的旋运动;眩晕;疾驰;
allowed
[ə'laʊd]
adj. [计]容许的;
v. 允许( allow的过去式和过去分词 );承认;酌增;接受;
🗣️ 情景例句
It's so nice out.
外面天气真好。
Walls (or Pitchers) have ears.
隔墙有耳。
He had lived in it as a child when it was already disappearing,
作为一个孩子他曾在西部生活过，当时西部拓荒生活正在消失。