reduce
v. /rɪˈduːs/ B1
减少；降低；减轻
To make something smaller in size, amount, degree, or price.
仙境例句
The kind King tried to reduce the number of heads the Queen cut off.
好心的国王想方设法减少王后砍头的数量。
原著这一句
“Write that down,” the King said to the jury, and the jury eagerly wrote down all three dates on their slates, and then added them up, and reduced the answer to shillings and pence.
“把那个记下来，”国王对陪审团说。陪审员们急忙在石板上记下这三个日期，把它们加在一起，最后居然换算成了几先令几便士。
卡罗尔原著 · 第 11 章