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单词

subtract

读音
səbˈtrækt
美式
英式
词根

"Subtract" 由词根 "-tract" 衍生出来,表示"拉","拖"。

释义

vt. 减去;扣掉 [ 第三人称单数 subtracts 现在分词 subtracting 过去式 subtracted 过去分词 subtracted ]

例句

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。
In short, the nation's central measure of economic well-being works like a calculating machine that adds but cannot subtract.
简而言之,衡量国家经济福祉的核心指标就像一台计算器,只能增加,不能减少。

强化记忆

你可以将 "subtract" 分为 "sub-" 和 "tract" 两部分来记忆。 "sub-" 可以理解为 "under" 或 "below", "tract" 可以理解为 "pull"。 这样,你就可以将 "subtract" 看作是 "pull something below" 或者 "pull something under"。该词源自拉丁文的 "subtrahere",原意为"拉出"或者"带走". 在英语中, "subtract" 主要用于数学和一些比喻中。

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You can add them,subtract them,even multiply them.
do the same to the right, take the lower height of the two,subtract the original column height,and increase the grand total if that number is positive.
we get 2 plus 1 equals 3 digits.Now, if we subtract one,we have a count of how many non-zero digits there are after the first digit –
is 2 ^ 57,885,161.Don't forget to subtract the one.This number is almost 17 and a half million digits long.
If the result is higher than the column in question,subtract the height of the original column,and the result will be the number of units that column can hold.
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