💡 词根助记

sub在下面+tract抽+ion表名词→ subtract抽去=减去+ion表名词 → 减法

📝 例句

In a subtraction operation, the number or quantity subtracted from the minuend.
在减法运算中,从被减数减去的那个数或量。
Having thus mastered addition, they move on to subtraction.
如此这般地掌握了加法之后，他们又转向减法。
do addition and subtraction
做加减法
he complained about the subtraction of money from their paychecks.
他抱怨薪水里钱的减少。
a sign indicating the operation of subtraction.
表示减少运算的符号。

🌱 联想助记

subtract（v 减去）sub下，tract拉，向下拉－减少

✅ 同义词

deduction removal takeaway rebate discount

🔴 反义词

hike improvement increment intensification interest lift ascent magnification augment augmentation

🔤 词根

拉紧
-strict-表示“拉紧” 常见变体有-stress-、-strain-、-string-

📖 牛津释义

subtraction n 1 [U] process of subtracting 减; 减法. 2 [C] act of subtracting 减; 减法 Two from five is a simple subtraction. 五减二是简单的减法.

🏥 医学释义

减去法（放射诊断学）

🌿 同词根单词

restraint n. 抑制，克制;控制，限制;拘束;约束力;
constrain vt. 强迫;强使;限制;约束;
strenuous adj. 费力的，用力的;热烈的;紧张的;奋发的;
retriever n. 寻猎物犬;
ostracize vt. 放逐;流放;摈弃;排斥;
portray vt. 画像;描述;描绘;描画;

📖 同为「CET-6」词汇

grizzly adj. 灰白头发的; n. 北美洲灰熊;
destructive adj. 破坏性的;毁灭性的;有害的;
optional adj. 可选择的;随意的，任意的;非强制的;选修科目;
insect n. 虫，昆虫;卑鄙的人;微贱的人，小人; adj. 昆虫的;卑劣的;
shrink vt.& vi. 收缩，皱缩;（使）缩水;退缩，畏缩; n. 收缩;畏缩;<俚>精神病学家;
dormitory n. （学校等的）宿舍;集体寝室;（在市内工作的人的）郊外住宅区; adj. 住宅区的;
whoever pron. （引导名词性从句）谁;无论谁，任何人;不管谁…;
convert vt. （使）转变;使皈依;兑换，换算;侵占; vi. 经过转变;被改变;[橄榄球] 触地得分后得附加分; n. 皈依者;改变宗教信仰者;
查看全部CET-6词汇 ›

🗣️ 情景例句

First of all, it's been improved. And it's bigger, although it's more expensive.
首先，它已作了改进。而且机子较大，尽管价格贵些。
But it's true. I was the only person in my office who was invited. I've written to accept the invitation.
可这是真的。我们办公室只有我受到邀请。我已经写信表示接受邀请了。
After they carved the characters on rocks, they put a piece of wet paper on top of the characters and beat it lightly.
他们把字刻在石块上后，再把一张潮湿的纸放在字的上面，并轻轻地拍打。
更多情景英语 ›

🔤 更多 S 开头的单词

sample card
security measure
seljord
shmily
sliding scale commission
soft-soldered
spurious cast
stoppered
全部 S 开头单词 ›