You can round off the corners with sandpaper.

你可以用砂纸把棱角打磨光滑。

The Italian way is to round off a meal with an ice-cream.

意大利人总是在用餐结束时来份冰激凌。

How to round off the float value to nearest decimal value?

如何舍入到最近的十进制值的浮动值？

We had a nightcap before bedtime to round off a perfect day.

我们戴上睡帽上床睡觉，一天的生活结束了。

Round off al rough welds and sharp edges, remove al weld patterns.

对所有锐边和焊缝进行倒圆，打磨除去焊接飞溅物。