SAT
数字化SAT学习词汇:数学术语、语境词汇和语法,用简明英语和8种语言解释。AUSLEX与College Board无关。
已审核词条
372 个词条先从数学英语术语开始:许多学生会做数学题,却因英文表述失分。语境词汇、语法规则卡和原创练习题正在陆续添加。SAT是College Board的商标,最新考试信息请查看官网。
数字化SAT一览
| 阅读与写作 | 54题,两个32分钟模块(共64分钟);每题配一篇短文。 |
|---|---|
| 数学 | 44题,两个35分钟模块(共70分钟);所有题目都可用计算器(内置Desmos);部分题需自行填写答案。 |
| 总计 | 2小时14分钟,另有10分钟休息;每部分第二模块根据第一模块表现调整难度;总分400–1600。 |
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coefficient
noun系数
A number multiplied by a variable, such as 4 in 4x.
In 4x² − 3x, the coefficient of x is −3.
在4x² − 3x中,x的系数是−3。余角公式
The rule that sin x = cos(90° − x) and cos x = sin(90° − x).
If sin 25° = cos k°, then k = 65.
若sin 25° = cos k°,则k = 65。coin
verb创造(新词)
In context: to invent a new word or phrase.
The scientist coined the term "greenhouse effect".
这位科学家创造了“温室效应”一词。command
noun掌握,精通
In context: expert knowledge or skill in something.
The writer shows an impressive command of language.
这位作家展现出令人印象深刻的语言驾驭能力。compare
verb比较
To show how two things are similar or different.
The text compares two methods of measuring air quality.
这篇文章比较了两种测量空气质量的方法。余角
Two angles that add up to 90 degrees.
30° and 60° are complementary angles.
30°和60°互为余角。配方法
A method of rewriting a quadratic in the form (x + h)² + k.
Completing the square shows the vertex of the parabola.
配方法可以显示抛物线的顶点。concede
verb承认
To admit that something is true, often unwillingly.
The author concedes that the evidence is limited.
作者承认证据有限。
concur
verb同意
To agree with an opinion.
Most experts concur with the findings.
大多数专家同意这些发现。condescending
adjective居高临下的
Behaving as if you are more important or intelligent than others.
The narrator finds the teacher’s comments condescending.
叙述者觉得老师的评论居高临下。条件概率
The probability of an event given that another event has happened.
Use the table to find the conditional probability that a student plays tennis, given that they are in Year 11.
用表格求学生在11年级的条件下打网球的条件概率。cone
noun圆锥
A 3D shape with a circular base that narrows to a point.
The volume of a cone is one third of a cylinder with the same base and height.
圆锥的体积是同底等高圆柱的三分之一。congruent
adjective全等的
Exactly the same shape and size.
The two triangles are congruent.
两个三角形全等。连续整数
Integers that follow each other in order, such as 4, 5 and 6.
The sum of three consecutive integers is 48.
三个连续整数的和是48。consensus
noun共识
General agreement among a group.
There is scientific consensus that the climate is warming.
科学界一致认为气候正在变暖。因此,结果
As a result
Demand increased; consequently, prices rose.
需求增加了,因此价格上涨。constant
noun常数
In maths, a fixed value that does not change, such as 7 in 2x + 7.
In y = 3x + 5, the constant is 5.
在y = 3x + 5中,常数是5。contemptuous
adjective轻蔑的
Showing strong disrespect, as if something is worthless.
The reviewer is contemptuous of the film’s weak plot.
评论家对电影薄弱的情节嗤之以鼻。contend
verb主张,认为
To argue or claim that something is true.
Some scientists contend that the data were misread.
一些科学家认为数据被误读了。contextualize
verb提供背景
To give background information so that something can be understood (UK and Australia: contextualise).
The author contextualizes the experiment by describing earlier studies.
作者通过描述早期研究为该实验提供背景。对比
A clear difference between things; to compare to show differences.
In contrast to Sydney, Perth has very dry summers.
与悉尼相比,珀斯的夏天非常干燥。对照实验
A study where researchers assign treatments to groups and compare results.
The controlled experiment compared two fertilisers.
这个对照实验比较了两种肥料。相反地
In an opposite way (used to introduce a contrasting idea).
Rents rose in the city; conversely, they fell in some regional towns.
城市房租上涨,相反,一些地区小镇的房租下降了。convey
verb传达
To communicate an idea, feeling or information.
The poem conveys a sense of loss.
这首诗传达了一种失落感。coordinate plane
noun坐标平面
A flat surface with an x-axis and a y-axis used to show points and graphs.
Plot the points on the coordinate plane.
在坐标平面上描出这些点。