We needed to do decimals to round up and round down numbers.

我们需要把小数四舍五入成整数。

They are trying to round up those robbers.

他们正在努力围捕那些强盗。

They try to round up a scattered herd of cattle.

他们试图把分散的牲口赶在一起。

He tells him that he needs round up all outstanding debts immediately.

他告诉Trumpets他需要立即回收所有未偿债务。

Can you offer food to a homeless shelter or even round up some volunteers?

你是能个性化定制产品，还是能供给一个课后活动需要的物资，又或者是为一个流浪者收容中心提供食物，抑或能够招募一些志愿者？