one by one和day after day的用法是否一样

问题描述:

one by one和day after day的用法是否一样
one by one和day after day从形式都差不多,我想问一问它们的用法是否一样?

强调的重点不一样.
one by one "一个接一个地"的意思,强调次序.
day after day "一天一天地.."强调时间的流逝.
e.g:Let's do the exercises one by one.
They worked hard day after day.