Statistical operator
[化] 统计算符; 统计矩阵
🧩 词语组成解析
🗣️ 情景例句
Uh, it must mean something.
噢 ，这很有意思。
His opening remarks were serious.
他的开场白说得很严肃。
My sister is only seven, but she always tells me whether my pictures are good or not.
我的妹妹只有7岁，但她总能说出我的画是好还是坏。