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
I was in the neighborhood, so I thought I'd stop by.
我就住在附近，所以我想拜访一下。
A little child is the sweetest and purest thing in the world.
幼儿是世界上最可爱和最纯洁的。
No wonder people say that computers are taking over the world.
难怪有人说电子计算机正渐渐接管世界。