Parity conservation
[化] 宇称守恒
🧩 词语组成解析
🗣️ 情景例句
Involve the entire family in a reading project.
让整个家庭都参与阅读计划。
Who is the auther of this short story?
谁是这短篇故事的作者？
Compared with competing products, ours is smaller and lighter.
比起其它竞争产品，我们的比较轻巧。