this will relieve pressure on the trains to some extent.这里为什么用on,是什么用法

this will relieve pressure on the trains to some extent.这里为什么用on,是什么用法 This medicine will ____ you of pain .A relief B relieve B this will relieve pressure on the trains to some extent.这里为什么用on,是什么用法 情态动词能不能做谓语This will relieve pressure on the trains to some extent.will是不是作谓语还有这句话的句子结构和成分是什么. This will relieve pressure on the trains to some extent.to some extent为什么用介词to,在某种程度上,是不是应该用on呢 not work properlyIf you disable this option, your PHP files will not work pr什么意思? PR PR pr. The committee is due to relieve its report by the end of this year在句子中为什么要用relieve this will relieve pressure on the trains to some extent .pressure前为什么不加the?on the trains是pressure的后置定语,为何pressure前不加the?是因为文章不着重强调pressure（压力）么?加the也可以吧?好像Mr.x who was resp We will do all we can to relieve (缓解) the symptoms of the patients:that is our______. release relieve的区别 relieve himself是什么意思 relieve的意思 hydrogen relieve是什么意思 relieve pressure是什么意思 all this will never