Word · CEFR B1 · Frequency #2506
curve
弯道;转弯
A bend or turn in a road, path, or similar.
- 1.
A gentle bend, such as in a road.
道路上的平缓弯道。
- 2.
the trace of a point whose direction of motion changes
一个点运动方向变化的轨迹
- 3.
A simple figure containing no straight portions and no angles; a curved line.
不含直线部分和角的简单图形;曲线。
- 4.
a line on a graph representing data
图表上表示数据的线
- 5.
A grading system based on the scale of performance of a group used to normalize a right-skewed grade distribution (with more lower scores) into a bell curve, so that more can receive higher grades, regardless of their actual knowledge of the subject.
基于群体表现水平的评分系统,用于将右偏的成绩分布(低分较多)正态化为钟形曲线,使更多人能获得更高分数,而不论其实际学科知识。
- 6.
a pitch of a baseball that is thrown with spin so that its path curves as it approaches the batter
一种投掷旋转的棒球,使其在接近击球手时路径弯曲
- 7.
A one-dimensional figure of non-zero length; the graph of a continuous map from a one-dimensional space.
非零长度的一维图形;从一维空间出发的连续映射的图像。
- 8.
An algebraic curve; a polynomial relation of the planar coordinates.
代数曲线;平面坐标的多项式关系。
- 9.
A one-dimensional continuum.
一维连续统。
曲线;数据曲线;图表曲线;曲线球;弧线球;曲线评分制;评分曲线;代数曲线
In use
The road has a sharp curve ahead.
The graph shows a curve that rises steeply.
The pitcher threw a nasty curve that fooled the batter.
a curve in [noun]
表示道路或线路上的弯曲处。
There is a sharp curve in the road ahead.
前方路上有一个急转弯。
the curve of [noun]
用于描述物体或身体部位的弯曲形状。
The curve of the spine is important for posture.
脊柱的曲线对姿势很重要。
on a curve
常用于教育语境,表示调整分数分布。
The teacher grades students on a curve.
老师按曲线评分(根据相对成绩打分)。
Connections
Collocations
- learning curve
- 学习曲线
- The new software has a steep learning curve.这个新软件的学习曲线很陡峭。
- curve ball
- 曲线球
- The pitcher threw a curve ball that fooled the batter.投手投了一个曲线球,愚弄了击球手。
- bell curve
- 钟形曲线
- Test scores often follow a bell curve distribution.考试成绩通常遵循钟形曲线分布。
- yield curve
- 收益率曲线
- An inverted yield curve is a sign of an upcoming recession.倒挂的收益率曲线是经济衰退即将来临的征兆。
- steep curve
- 陡峭的曲线
- The road has a steep curve ahead; drive carefully.前方道路有一个陡峭的弯道,小心驾驶。
Idioms & figurative uses
Learner notes
Memory Tip
记忆曲线:想象字母C的形状,就是一条曲线。
Context & Register
多用于描述道路、河流等的弯曲部分,也用于数学图表中的曲线,或棒球中的曲线球。通常属于中性用词,但在不同学科中有特定含义。
Pronunciation & Spelling
nerve, serve, swerve 与 curve 押韵(/ɜːrv/);carve 拼写类似但发音不同(/kɑːrv/)
High-value vocabulary
该词属于 Oxford 核心词汇,值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 2,建议结合例句记忆,而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.