| 单词 | 锐角 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔angle of attack〕The acute angle between the chord of an airfoil and a line representing the undisturbed relative airflow.攻角，迎角，冲角：机翼弦和代表相对稳定气流的线所形成的锐角美国传统〔angle〕The lines are at sharp angles to each other.两条线相交呈一个锐角。韦氏高阶〔cosine〕In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse.余弦：直角三角形锐角边的边长与叙边的比美国传统〔diamond〕A figure with four equal sides forming two inner obtuse angles and two inner acute angles; a rhombus or lozenge.菱形（物）：一种带有四个等边构成两个内钝角和两个锐角的图形；菱形或菱形物美国传统〔intersect〕The path intersects the road at a sharp angle.这条小路与公路相交成一个锐角。麦克米伦高阶〔oblique angle〕An angle, such as an acute or obtruse angle, that is not a right angle or a multiple of a right angle.斜角：不是直角或直角倍数的角，如锐角或钝角美国传统〔sine〕In a right triangle, the ratio of the length of the side opposite an acute angle to the length of the hypotenuse.正弦：在一个直角三角形中，锐角所对边长度与斜边长度之比美国传统 |
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