Quadrics
二次型
🗣️ 情景例句
I've got a strange feeling that this marriage won't last very long.
我有一个奇怪的感觉，这段婚姻不会长久。
He knows best what good is that has endured evil.
忍过痛受过苦，最知幸福是何物。
Yes, that's right.
对的。