1
verb + an ellipse
Please draw an ellipse on the graph.
请在图表上画一个椭圆。
椭圆
先理解核心含义，再看它在真实句子里的用法。
椭圆
ellipse
Please draw an ellipse on the graph.
请在图表上画一个椭圆。
闭合曲线,到两个定点(焦点)距离之和为常数的点的轨迹；等价地,即圆锥与不与其底面相交的平面相交而成的圆锥曲线。
A closed curve, the locus of a point such that the sum of the distances from that point to two other fixed points (called the foci of the ellipse) is constant; equivalently, the conic section that is the intersection of a cone with a plane that does not intersect the base of the cone.
由圆锥与平面完全相交形成的封闭平面曲线
a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it
The orbit of the Earth is an ellipse, not a perfect circle.
地球的轨道是椭圆，而不是正圆。
AI contextual example
Please draw an ellipse around the important words in the paragraph.
请在这个段落的重要词语周围画一个椭圆。
AI contextual example
The picture contains several ellipses of different sizes.
这幅画里有几个大小不同的椭圆。
AI contextual example
the sums of the distances from the foci to any point on an ellipse is constant
椭圆上任意一点到两个焦点的距离之和为常数。
WordNet
Please draw an ellipse on the graph.
请在图表上画一个椭圆。
用 with 引出椭圆的具体尺寸或特征。
Draw an ellipse with a horizontal axis of 8 cm.
画一个水平轴为8厘米的椭圆。
这个结构常用来描述物体的外形。
The mirror is in the shape of an ellipse.
这面镜子呈椭圆形。
Not this
An ellipsis is a closed curve with two foci.
Use this
An ellipse is a closed curve with two foci.
ellipsis 意为“省略号”（…），不是几何图形；表示“椭圆”必须用名词 ellipse。两词拼写相近但含义不同。
Not this
An oval is the set of points whose distances to two fixed points sum to a constant.
Use this
An ellipse is the set of points whose distances to two fixed points sum to a constant.
在几何学中，椭圆有精确的数学定义（到两焦点距离之和为常数），而 oval 只是泛称“卵形”，没有这样严格的定义；正式表述应使用 ellipse。
Not this
A lunar ellipse happens when the Earth blocks the sun's light from the moon.
Use this
A lunar eclipse happens when the Earth blocks the sun's light from the moon.
lunar eclipse 是固定搭配，意为“月食”；ellipse 是“椭圆”，拼写相似但意思完全不同。此处描述天文现象，必须用 eclipse。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
画一个椭圆
Use a string and two pins to draw an ellipse.
用一根绳子和两枚图钉画一个椭圆。
椭圆的中心
The two foci are equidistant from the center of the ellipse.
两个焦点到椭圆中心的距离相等。
椭圆方程
The equation of an ellipse contains two squared terms.
椭圆的方程含有两个平方项。
椭圆的焦点
Light from one focus of an ellipse reflects to the other focus.
从椭圆一个焦点发出的光会反射到另一个焦点。
扁椭圆
The planet's orbit is a slightly squashed ellipse.
这颗行星的轨道是一个略扁的椭圆。
Use ellipse naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
ellipse中间藏着lips（嘴唇），嘴唇轮廓像椭圆，记住这个联想即可。
语域：neutral 常见场景：数学几何、工程设计、天文轨道 通常用于数学、几何或设计语境，属于中性书面用词，日常口语中较少出现。
与 ellipse 真正押韵的词：eclipse /ɪˈklɪps/、lips /lɪps/、chips /tʃɪps/、tips /tɪps/（重读音节中的 /ɪps/ 一致）。注意 apocalypse /əˈpɒkəlɪps/ 和 ellipsis /ɪˈlɪpsɪs/ 拼写或发音容易混淆，但 apocalypse 重音在前，ellipsis 结尾为 /sɪs/，二者均不押韵。
Dictionary facts from ECDICT, WIKTIONARY.