棱角

I rounded off the corners with sandpaper.

我用砂纸把棱角打光滑。

He has a more angular figure than his father.

他的体型比他的父亲更显得有棱角。

The middle oil-member is characterized by medium-sized sandstone and pebbled sandstone, with fair sorting and subangular sphaericity.Rock types mainly were feldspar debris sandstone.

中油组主要沉积中砂岩和含砾中砂岩，粒度整体较粗，选性较好，圆度以次棱角状为主，岩石型为长石岩屑砂岩。

Accordingly, furniture should be put firm, edges and corners is due the parergon such as a cotton-padded covering for keeping sth warm, in case the child is broken.

因此，家具要放稳，棱角应有棉套等辅助装饰，以防孩子被砸伤。