Spin conservation
[化] 自旋守恒
🧩 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;
🗣️ 情景例句
I don't think we should see each other any more.
我觉得以后咱们还是别再见面了。
When the wound is healed, the pain is forgotten.
好了伤疤忘了痛。
I'm really positive that this product has all the features you have always wanted.
我确信这种产品有各种你所要的款式。