circle
/ˈsɜɹkəl/
A2 · Elementary★★★★★
Simple Meaning
像环一样的圆形，每个点到中心距离相等。
When to Use
💬Daily Conversation📚Academic Writing📱Social Media
Elementary — simple everyday language
Examples in Conversation
“请在纸上画一个圆。”
“我们坐成一个圆圈谈论周末。”
Learning Path
▶Full Definition
A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center).
“The set of all points (x, y) such that (x − 1)2 + y2 = r2 is a circle of radius r around the point (1, 0).”