| 单词 | circle |
| 释义 | Word Frequency circle(ˈsɜːkəl) noun 1. mathematics a closed plane curve every point of which is equidistant from a given fixed point, the centre. Equation: (x–h)2 + (y–k)2 = r2 where r is the radius and (h, k) are the coordinates of the centre; area πr2; circumference: 2π r 2. the figure enclosed by such a curve 3. theatre the section of seats above the main level of the auditorium, usually comprising the dress circle and the upper circle 4. something formed or arranged in the shape of a circle 5. a group of people sharing an interest, activity, upbringing, etc; set golf circles a family circle 6. a domain or area of activity, interest, or influence 7. a circuit 8. a process or chain of events or parts that forms a connected whole; cycle 9. a parallel of latitude See also great circle, small circle 10. the ring of a circus 11. one of a number of Neolithic or Bronze Age rings of standing stones, such as Stonehenge, found in Europe and thought to be associated with some form of ritual or astronomical measurement 12. hockey striking circle 13. a circular argument vicious circle (sense 2)14. come full circle 15. go round in circles verb 16. to move in a circle (around) we circled the city by car 17. (transitive) to enclose in a circle; encircle Derived forms circler (ˈcircler) noun Word origin C14: from Latin circulus a circular figure, from circus ring, circle |
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