Parity conservation
[化] 宇称守恒
🧩 词语组成解析
🗣️ 情景例句
OK. I understand. Thank you.
好吧，我懂了，谢谢你。
A change of work is as good as a rest.
调换一下工作是很好的休息。
Here and here. And I can only move my arm as much as this.
这儿和这儿。我只能这样摆动手臂。