... acute angles 锐角 obtuse angles 钝角 reflex angle 优角(大于180度,小于360度) ...
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both obtuse angles 两钝角
以上来源于: WordNet
Thousands of people lined up to walk across the new structure, which consisted of a narrow aluminum footbridge surrounded by steel balustrades projecting out at obtuse angles.
成千上万的市民排队竞相过桥,这条桥的主体为狭窄的铝制人行桥面,两边为钢制栏杆,栏杆呈钝角状向外延伸。
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