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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arrest
verb阻止，遏止
In context: to stop or slow a process.
The treatment arrested the decline in the patient’s memory.
这种疗法阻止了患者记忆力的衰退。as a result
phrase结果
A transition that shows that something happened because of the previous idea.
The bridge was closed. As a result, traffic doubled on nearby roads.
桥梁关闭了。结果，附近道路的车流量翻了一番。assert
verb断言，声称
To state something firmly as true.
The author asserts that cities should invest in public transport.
作者断言城市应投资公共交通。at least
phrase至少
In maths, greater than or equal to (≥).
She needs at least 12 points, so p ≥ 12.
她至少需要12分，所以p ≥ 12。at most
phrase至多
In maths, less than or equal to (≤).
The bag can hold at most 20 kg, so w ≤ 20.
这个包最多能装20公斤，所以w ≤ 20。augment
verb增加
To increase or add to something.
Students augment their income with part-time work.
学生通过兼职增加收入。axis of symmetry
noun对称轴
The vertical line through the vertex that divides a parabola into two matching halves.
The axis of symmetry is x = 2.
对称轴是x = 2。besides
adverb再说，此外
A transition meaning "also" or "in addition to that".
The house is too far from work. Besides, it is too expensive.
这房子离单位太远。再说，也太贵了。
bewildered
adjective困惑的
Very confused and unable to understand something.
The visitors were bewildered by the complex rules.
游客们被复杂的规则弄得困惑不已。binomial
noun二项式
A polynomial with two terms, such as x + 5.
Multiply the two binomials (x + 2)(x − 3).
把两个二项式(x + 2)(x − 3)相乘。bolster
verb支持，加强
To support or make something stronger.
New evidence bolsters the theory.
新证据支持了这一理论。box plot
noun箱线图
A graph showing the minimum, quartiles, median and maximum of a data set.
The box plot shows a median of 15.
箱线图显示中位数为15。by contrast
phrase相比之下
A transition used to show a clear difference between two things.
Bees visit many flowers. By contrast, some moths feed on only one plant.
蜜蜂会采访许多花。相比之下，有些蛾子只以一种植物为食。by the same token
phrase同样地
A transition meaning "for the same reason" or "in the same way".
Praise can motivate students; by the same token, criticism can discourage them.
表扬能激励学生；同样地，批评也会使他们气馁。candid
adjective坦率的
Honest and direct, even about unpleasant things.
In her diary, she gives a candid account of the war.
她在日记中坦率地记述了战争。cautious
adjective谨慎的
Careful to avoid risks or strong claims.
The researchers are cautious about drawing conclusions.
研究人员在下结论时很谨慎。celebratory
adjective庆祝的
Showing joy and praise about a success.
The article takes a celebratory tone about the team’s win.
这篇文章以庆祝的语气报道球队的胜利。central angle
noun圆心角
An angle whose vertex is the centre of a circle.
A central angle of 90° cuts off a quarter of the circle.
90°的圆心角截取圆的四分之一。挑战；质疑
A difficult task or problem; to question whether something is right.
Finding affordable housing is a major challenge for students.
找到负担得起的住房是学生面临的一大挑战。champion
verb拥护，支持
In context: to strongly support or defend a cause or idea.
She championed the rights of women workers.
她为女工的权利而奔走。characterize
verb描述…的特点
To describe the typical qualities of something or someone (UK and Australia: characterise).
The author characterizes the decision as hasty.
作者将这一决定描述为草率。check
verb抑制，遏制
In context: to stop or slow the growth or spread of something; to restrain.
Vaccination helped check the spread of the disease.
疫苗接种有助于遏制疾病传播。chord
noun弦
A straight line joining two points on a circle.
The diameter is the longest chord.
直径是最长的弦。circle
noun圆
A round shape where every point is the same distance from the centre.
The circle has a radius of 4 cm.
这个圆的半径是4厘米。circumference
noun圆周长
The distance around a circle, equal to 2πr.
The circumference of a circle with radius 3 is 6π.
半径为3的圆周长是6π。