1
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。
弯道；转弯
curves — plural of curve
先理解核心含义，再看它在真实句子里的用法。
弯道；转弯
A bend or turn in a road, path, or similar.
There is a sharp curve in the road ahead.
前方路上有一个急转弯。
道路上的平缓弯道。
A gentle bend, such as in a road.
一个点运动方向变化的轨迹
the trace of a point whose direction of motion changes
不含直线部分和角的简单图形；曲线。
A simple figure containing no straight portions and no angles; a curved line.
图表上表示数据的线
a line on a graph representing data
The road has a sharp curve ahead.
前面的道路有一个急转弯。
The graph shows a curve that rises steeply.
图表显示一条急剧上升的曲线。
The pitcher threw a nasty curve that fooled the batter.
投手投了一个刁钻的曲线球，愚弄了击球手。
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。
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。
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）。
Not this
There is curve in the road.
Use this
There is a curve in the road.
中文学习者有时会在可数名词前遗漏不定冠词。'curve' 是可数名词，在单数形式前需要加不定冠词 'a' 或 'an'。'There is a curve in the road.' 才是正确的表达。
Not this
Draw a curve line.
Use this
Draw a curved line.
在英语中，名词 'curve' 不能直接修饰名词。当需要描述形状时，应使用形容词 'curved'，意为 '弯曲的'。'curved line' 才是正确的表达。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
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。
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。
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。
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。
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。
出人意料地提出难题
The teacher threw a curveball when he added a surprise essay question.
老师突然加了一道作文题，让大家措手不及。
领先于潮流或趋势
This company is ahead of the curve in adopting renewable energy.
这家公司在采用可再生能源方面走在前列。
学习过程或适应过程
There's a steep learning curve for this new software.
这个新软件的学习曲线很陡峭。
Use curves naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆曲线：想象字母C的形状，就是一条曲线。
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。
nerve, serve, swerve 与 curve 押韵（/ɜːrv/）；carve 拼写类似但发音不同（/kɑːrv/）
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.