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。
椭圆
ellipses — plural of ellipse
先理解核心含义,再看它在真实句子里的用法。
椭圆
ellipse
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。
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
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
Choose the next layer that will help you use ellipses with more confidence.
Recommended next
Includes Usage patterns & Collocations
Learn how to use this word with grammar patterns and natural collocations.
Includes Common mistakes & Confusing words
See typical errors learners make and confusing words to avoid.
More ways to explore
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Includes Spelling & sound
Explore words with similar spelling endings or sounds.
Includes Word components & Thematic vocabulary
Learn how to build related words using roots, prefixes, and thematic clusters.
Includes Idioms & Cultural references
Discover idioms, slang, and famous pop culture quotes.
Includes Context & register & Memory tip
Analyze the context and learn memory tricks to remember it.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Also compare
Use ellipses naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
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 ECDICT, WIKTIONARY.