during the last four-and-twenty hours has held a steady coursefour-and-twenty hours 这是怎么个表达方式,希望大神们帮我答疑一下.

during the last four-and-twenty hours has held a steady coursefour-and-twenty hours 这是怎么个表达方式,希望大神们帮我答疑一下. during the last twoyears用于什么时态 翻译：sleep during the day.twenty-four hours a day. during the four years后面一定要跟现在完成时吗? during the last few years与during the last a few years有区别吗? 英语翻译在翻译一篇航空事故调查报告时遇到这样一句话“After reviewing four possible scenarios of how the bolt could become loose,the HCL considers it unlikely,that the APEX bolt was installed correctly during the last maintena English难题今天一定要回答短文改错1000 years ago the world's population was very__________little For severalthousand years it grow quite fast________But during the last three or four bueasea years if grew __________very quickly Today it s During-the-last-year-of-study-at-University是什么意思 During-the-last-year-of-study-at-University是什么意思 I ______ (落下) my backpack during the concert last weekend. what did you du during the last Soring Festival?awhat did you du during the last Spring Festival? four years out of the last ten.中的out 请问：four years out of the last ten, for the last four weeks 用什么时态 The last semester,in the last four months of primary school life,last-ditch effort～这句英文啥意思? in the last two years/during the last two years/in the past two years/during the past two years有什么区别? during the three days 做状语时的时态during the last three days 做状语时的时态 时态区别during the last two weeks during the night 为什么前者是跟现在完成时,而后者跟过去时?