音标：[әb'tju:s] ；

a. 钝的, 不锋利的, 愚钝的
[医] 钝形的, 迟钝的(智力)

a. of an angle; between 90 and 180 degrees
s. (of a leaf shape) rounded at the apex
s. lacking in insight or discernment

考试类型：[GRE]

词性分布：

形容词100%

obtuse的用法和样例：

例句

用作形容词(adj.)

"Sometimes it looks more like an obtuse triangle," Winter said.“有时候它看起来更像一个钝角三角形。”温特说。
You were too obtuse to take the hint.你太迟钝了，没有理解这种暗示。
The obtuse editor did not know he was being nibbled at.这位脑筋迟钝的编辑并不知道人家是在向他试探消息。

词汇搭配

obtuse triangle钝角三角形
obtuse angle钝角
obtuse angle bevel gear钝角伞齿轮
obtuse bisectrix钝角等分线
obtuse arch钝拱
obtuse angled triangle钝角三角形

经典引文

How obtuse I had been not to suspect some trouble at home behind Grass's aggressive behaviour.
出自：U. Bentley

【近义词】

stupid愚蠢的
dull呆滞的
slow慢的
dense密集的
slow-witted笨的
blunt钝的
opaque不透明的
wooden木制的
insensitive不敏感的
dull-witted愚蠢的
simple-minded愚蠢的
imperceptive无感觉的
dumb哑的
purblind半盲的
dim暗淡的

【反义词】

acute严重的

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Lesson 34

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