
好词典

源自拉丁语 obtusus,意为“钝的”或“变钝的”,由 ob-(加强)和 tundere(击打)组成,原指被击打至变钝的状态。
❶ 形容人迟钝或理解力差,指对事物反应慢或难以理解简单概念的情况。
“He was too obtuse to understand the sarcasm in her voice.”
(他太迟钝了,没听出她话里的讽刺。)
“The teacher sighed at the student's obtuse questions.”
(老师对学生愚钝的问题叹了口气。)
❶ 几何学术语,指角度大于90度但小于180度的情况。
“An obtuse triangle has one angle larger than 90 degrees.”
(钝角三角形有一个大于90度的角。)
“The corner of the old building formed an obtuse angle.”
(老建筑的拐角处形成了一个钝角。)
obtuse angle — 几何学专用短语,特指大于90度且小于180度的角。
“The architect deliberately designed the wall with an obtuse angle.”
(建筑师特意将墙面设计成钝角。)