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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30-60-90三角形
A right triangle with side ratio 1 : √3 : 2.
In a 30-60-90 triangle, the hypotenuse is twice the shortest side.
在30-60-90三角形中，斜边是最短边的两倍。等腰直角三角形
An isosceles right triangle with side ratio 1 : 1 : √2.
A square’s diagonal makes two 45-45-90 triangles.
正方形的对角线形成两个等腰直角三角形。absolute value
noun绝对值
The distance of a number from zero, always positive or zero, written ∣x∣.
The absolute value of −8 is 8.
−8的绝对值是8。accordingly
adverb因此，相应地
A transition meaning "for that reason" or "in a way that fits".
Prices rose sharply; accordingly, demand fell.
价格飙升，需求相应下降。承认；确认收到
To accept or admit that something is true, or to show you have received something.
The report acknowledges the need for more research.
报告承认需要更多研究。acute angle
noun锐角
An angle smaller than 90 degrees.
A 30° angle is an acute angle.
30°的角是锐角。additionally
adverb另外
A transition meaning "also" or "as an extra point".
Additionally, the survey found that teenagers sleep less on weekdays.
另外，调查发现青少年在工作日睡得更少。address
verb处理，应对
In context: to deal with or respond to a problem, issue or question (not "to write an address").
The new policy aims to address the shortage of nurses.
新政策旨在解决护士短缺问题。
adjacent side
noun邻边
In a right triangle, the side next to the angle being used that is not the hypotenuse.
The adjacent side of angle A is AC.
角A的邻边是AC。admiring
adjective钦佩的
Showing respect and approval.
The author takes an admiring tone toward the inventor.
作者对这位发明家持钦佩的语气。admittedly
adverb诚然，不可否认
A transition that admits something true that weakens your own point.
Admittedly, the new design costs more at first.
不可否认，新设计起初成本更高。提倡；倡导者
To publicly support an idea or policy; a person who does this.
Health experts advocate a tax on sugary drinks.
卫生专家提倡对含糖饮料征税。alternatively
adverb或者
A transition that introduces another possible choice.
Students can take the bus. Alternatively, they can cycle.
学生可以坐公交车，或者骑自行车。ambivalent
adjective矛盾的，心情复杂的
Having mixed or opposite feelings about something.
The author is ambivalent about the new technology.
作者对新技术心情矛盾。angle
noun角
The space between two lines that meet, measured in degrees or radians.
The angle measures 45 degrees.
这个角是45度。俯角
The angle measured downward from a horizontal line to an object.
From the cliff, the angle of depression to the boat is 25°.
从悬崖看船的俯角是25°。仰角
The angle measured upward from a horizontal line to an object.
The angle of elevation to the top of the tower is 40°.
仰望塔顶的仰角是40°。anomaly
noun异常
Something that is different from what is normal or expected.
The unusually warm winter was an anomaly in the data.
异常温暖的冬天是数据中的一个异常。预期
To expect or predict something, and sometimes prepare for it.
Economists anticipate a rise in interest rates.
经济学家预计利率将上升。感激；理解；增值
To value something; to understand a situation; or to increase in value.
I appreciate your help with the application.
感谢你帮我办理申请。appreciative
adjective赞赏的
Showing thanks or recognising the value of something.
The author is appreciative of the volunteers’ work.
作者对志愿者的工作表示赞赏。apprehensive
adjective忧虑的
Worried that something bad may happen.
Many farmers are apprehensive about the coming drought.
许多农民对即将到来的干旱感到忧虑。arc
noun弧
Part of the edge of a circle.
The arc measures 60 degrees.
这段弧是60度。arc length
noun弧长
The distance along an arc, a fraction of the circumference.
The arc length is 1/6 of the circumference.
弧长是圆周长的1/6。area
noun面积
In maths, the amount of space inside a flat shape, measured in square units.
The area of a rectangle is length × width.
长方形的面积是长 × 宽。