Quadtatic
[计] 二次平均的
🗣️ 情景例句
My head is killing me.
我的头疼死了。
Excuse me. Can you tell me where Main Street is?
劳驾，你能告诉我正街在哪里吗？
The curious bottle, which now adorns the bookcase in his study, was his first and last purchase of rare cosmetics.
在他书房的书柜里摆着那瓶形状古怪的香水泥就是他第一次也是最后一次购买的稀有化妆品。