Partiversal
半锥背斜
🗣️ 情景例句
You remember Charles Maxwell, Grandpa?
你记得Charles Maxwell吗， 爷爷？
I'm going to send him a new one.
我正要送给他一个新的。
Porpoises and sharks are natural enemies.
海豚和鲨鱼是天然仇敌，