这种药花上很长时间才会对疼痛起作用的翻译：This drug works spend a long time to be with pain 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The drug takes a long time before work on the pain

This drug works spend a long time to be with pain

On this medicine flower the very long time only then can have an effect to the ache

This kind of medicine take a long time before they will play a role in pain

This drug works spend a long time to be with pain