obtuse词根词缀

Many dog owners are lacking in the courtesy department, said the People's Daily, in a piece was accompanied online by five letters from the public complaining about their ruff encounters with socially inept canines and their obtuse owners.

《人民日报》称，许多养狗者缺乏公德。网上发表的这篇文章还附上了五封读者来信，都是表达对身边不文明养犬行为的不满。

With the typology method of archaeology and from the viewpoint of musical capability, the article assorted qing ( a kind of Chinese instrument made of stone), and set-qing into three types: erose ones, obtuse triangular ones and juju ( curve) shapes.

本文试用考古学的类型学方法，从音乐性能角度出发，对出土磬和编磬划分出不规则形、钝三角形、倨句形三种类型。

Meanwhile, the tip of precipitates along grain boundary becomes obtuse, the alloying elements are depleted in the region near the grain boundary and the stress corrosion resistance is bettered.

同时，晶界沉淀物的端部由尖锐变得圆钝，晶界临近区域中的合金元素贫化，使材料的应力腐蚀抗力提高。