Orth
n. 值空间正交化
🗣️ 情景例句
Hello.
哈喽 。
No, no!
不要！不要！
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。