Central moment
[计] 中心矩
🧩 词语组成解析
🗣️ 情景例句
The drama club is putting on a play tomorrow night.
明晚戏剧社要上演一出戏。
It's a quiet city.
这是一个安静的城市。
Radio and television have made it possible for advertisers to capture the attention of millions of people in this way.
电台、电视使做广告的人可以用这种手段吸引成百万人的注意力。