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
Grandpa wanted to lend us the money to buy one,
爷爷要借给我们钱去买房子，
I don't feel up to going to work today.
我今天不舒服，不能上班。
George showed me to the guestroom which, he said, was rarely used.
乔治把我领进客房，说这间很少使用。