Parity conservation
[化] 宇称守恒
🧩 词语组成解析
🗣️ 情景例句
Has he ruled out possibility of lawsuit?
他有没有排除诉讼的可能性？
Silent men, like still waters, are deep and dangerous.
沈默的人像静水一样，深而难测。
He is now satisfied merely to try to stand up, but as soon as he does so a porpoise knocks him flat.
此时的海龟，只要能站起来就满足了，但它刚站起来，就被一只海豚击倒。