时间: 2025-04-24 08:58:23
美: [səb'trækt]
英: [səb'trækt]
vt. 减去;扣掉
最后更新时间:2025-04-24 08:58:23
词源分析:该单词来源于拉丁语“subtrahere”,由“sub-”(在下面)和“trahere”(拉、拖)组合而成。整体意思是“从下面拉出”或“拿走”。
历史背景:该单词的首次使用可追溯至15世纪,通常用于数学领域,表示减法运算。
课本:
正式与非正式语境:
特殊场合:
I will subtract 5 from 10.
The teacher asked us to subtract the smaller number from the larger one.
In accounting, you need to subtract expenses from income to find profit.
*If you subtract 3 from 9, the result is .**
He forgot to subtract the discount from the total price.
同义词:
反义词:
采用词根记忆法:
这种结构可以帮助学*者更好地理解和应用单词“subtract”。
[V-T] 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)
例: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。
[N-VAR] subtraction 减法
例:She's ready to learn simple addition and subtraction.她准备学习简单的加法和减法。