n 間隔時間，其間(time or period between(two events))[U]：in the～在此期間，與此同時;I shall see her till next week，so please give her the message if you meet her in the～.我下周才能見她。如你在此期間見到她，請告之。Go there and come back as soon as you can;in the～I(xiàn)'ll go on with the work.你快去快來，你不在時我接著干活。
adv 同時，期間(meanwhile) [無comp]：I finished the job on August 28th，but～a very interesting event had taken place. 8月28日我完成了那件工作，在此期間發(fā)生了一件很有意思的事?！纪絤eanwhile