除

打扫卫生时，我们需要彻底除掉房间里的灰尘和垃圾。

When cleaning, we need to remove all the dust and rubbish from the room.

医生采取了有效的治疗方法，帮他除去了多年的病痛。

The doctor used an effective treatment to eliminate the pain he had suffered for years.

四除二十八等于七。

Four into twenty-eight is seven.

十五除以三得五。

Fifteen divided by three equals five.

除他以外，我们大家都同意这个计划。

Everyone except him agrees with the plan.

除周末外，这家图书馆每天都开放。

This library is open every day except at weekends.