a few seconds later和seconds later是一样的意思,那为什么有些句子前面还加a few啊?

a few seconds later和seconds later是一样的意思,那为什么有些句子前面还加a few啊? a.few.seconds是什么意思? a few seconds a few seconds his feet pedal in midair ,until ,a few seconds later,he hits the water.怎么翻译! He looked at the teacher with a few seconds 和for a few seconds有什么不同还是没有with a few seconds这种用法,懂的答, a few seconds pass.a few seconds pass. for a few seconds翻译 a few minutes later和a few minute later哪个对 请问,minutes later 和 seconds later的区别是?(简明) longer than a few seconds什么意思 He _____(等) for a few seconds. Few minutes later和A Few minutes later的区别?几分钟后应该怎样说,用哪一个 a few days later 和 a few days ago 有什么区别? look at the table below for a few seconds please note that receiving your code might a few seconds monther's thick,black hair for a few seconds翻译 His mother says nothing for a few seconds,中文?