Weight sum
[计] 加权和数
🧩 词语组成解析
weight
[wet]
n. 重量，体重;重担，重任;重要;[统]权，加重值，权重;
vt. 加重于，使变重;使负重，使负担或压迫;[统]使加权，附加加重值于;
weigh(重)+t(表示抽象名词的后缀)→重量；重要
sum
[sʌm]
n. 总数;算术;金额;概略，要点;
vt.& vi. 总计;总结，概括;归纳;
🗣️ 情景例句
Good night.
晚安。
You'll get hurt, if you don't watch out.
你不注意的话，就会受伤。
The most surprising thing about it, however, is that it can land anywhere: on snow, water, or even on a ploughed field.
雪地上，水面上，甚至刚耕过的田里。