| 单词 | carpenter's oval |
| 释义 | > as lemmascarpenter's oval carpenter's oval n. a figure formed of two pairs of unequal circular arcs joined alternately where their tangents coincide, so as to form a continuous smooth closed curve, approximating an ellipse. ΚΠ 1672 J. Collins Let. in S. P. Rigaud & S. J. Rigaud Corr. Sci. Men 17th Cent. (1841) (modernized text) I. 201 Possibly they might not at London know one of the best ways of making a carpenter's oval to any ratio of diameters. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。