重要

subtract

/səbˈtrækt/📚 10488 72 1四级六级考研托福雅思
If you subtract one number from another, you do a calculation in which you take it away from the other number. For example, if you subtract 3 from 5, you get 2. (从一数中) 减去 (另一数)

verb [vt. 及物动词]vt. 减去,删减;减去,扣除

Mandy subtracted the date of birth from the date of death.
曼迪从死亡的日期减去了出生的日期。

sub(下面) + tract(拉) → 拉到下面 → 减去
单词造句:
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The pupil could add and subtract but hadn't learned to divide. 这名小学生能做加法和减法,但还没学会做除法。
They subtract this loan balance from the sale price and you get cash to buy another house. 他们从售房价格里减去这个贷款余额,然后你就可以得到现金去买另一个房子。
You've got to juggle the two equations, multiply that by 4, multiply that by 3, add and subtract and so on. 你必须联立这两个方程,一个乘以4,另一个乘以3,再加减等等。