obtuse

形容词迟钝的; 钝角的; （疼痛）不剧烈的; （印象）不鲜明的

形容词slow-witted stupid blunt dense slow dull

形容词acute

1. 鈍角：给你一个三角形的边长,请你判断它是锐角 (acute)、直角 (right)、或是钝角 (obtuse) 三角形.

2. 我不会吐丝,而别的蚕都吐--笨的、钝角的：4) Parsimonious:怕使用钱财--吝啬的 | 5) Obtuse:我不会吐丝,而别的蚕都吐--笨的、钝角的 | 6) Squander:(口袋)是光的--浪费、挥霍

3. 钝的：obturator 填塞器 | obtuse 钝的 | obtusely 钝地

4. 钝的,钝角的,抑制声音：obstruction-free flow area 有效流动截面 | obtuse 钝的,钝角的,抑制声音 | obtuse angle 钝角

1. 迟钝的；愚笨的
    Someone who is obtuse has difficulty understanding things, or makes no effort to understand them.

    e.g. I've really been very obtuse and stupid...
           我实在笨得不可理喻。
    e.g. I'm a limited and obtuse clergyman while you're the expert.
           你是专家，而我是个能力有限的愚笨牧师。

2. （角）钝的；钝角的
    An obtuse angle is between 90˚ and 180˚.

1. The market provides a field of rich pickings for obtuse statistical relationships.