The children were balling up snow to make a snowman.

孩子们正在把雪堆成球状,做一个雪人.

Jack, I told you once, stop balling up those paper sheets, it's such a waste.

杰克，我跟你说过，别再把纸团成球儿了，太浪费了。

Used for testing the napping and balling-up of all kinds of fabrics to evaluate the product quality and process .

用于各种机织物的起毛起球状况，以鉴别产品质量和工艺效果。

Research suggests that balling up the right hand and squeezing it tightly actually makes it easier to memorise lists.

研究显示，实际上，攥起右拳并握紧能让你更容易地记住列表内容。

Crumple simulates the result of balling up of a flat object, such as a piece of paper, and then flattening it back out.

变皱类比一个平的物体的抱膝的结果，例如一张纸，然后使变平它收回。