| 单词 | a right angle |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔angle iron〕A length of steel or iron bent at a right angle along its long dimension, used as a support or structural framework.角铁，角钢：沿长度弯成直角的钢或铁的柱状物，用作托座或结构支架美国传统〔at a right angle to〕Hold the nail at a right angle to the board.扶住这颗钉子，使之与木板成直角。韦氏高阶〔at a right angle to〕The two boards are joined at right angles to each other.这两块板子成直角相交。韦氏高阶〔degree〕A right angle is an angle of 90°.直角为90度。剑桥高阶〔hoe〕A tool with a flat blade attached approximately at a right angle to a long handle, used for weeding, cultivating, and gardening.锄头：一种其平坦刀面成直角并与一手柄相连的工具，用于割草、耕作及园艺美国传统〔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〔right angle〕Place the table at right angles/at a right angle to the wall.将桌子跟墙垂直摆放。牛津高阶〔skew〕The ball skewed off at a right angle.球呈直角偏离弹了出去。牛津高阶〔square〕Forming a right angle.形成一个直角的美国传统〔upright piano〕A piano having the strings mounted vertically in a rectangular case with the keyboard at a right angle to the case.立式钢琴：一种钢琴，弦垂直地装在长方形音箱中，键盘与音箱成直角美国传统A right angle is an angle of 90 °.直角即90°角。剑桥国际A right angle is one quarter of a full rotation.直角是一个圆周的1/4 。剑桥国际 |
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