| 单词 | since |
| 释义 | prepositionconjunctionadverb🔑 sinceBrE /sɪns/ NAmE /sɪns/ preposition 🔑 (used with the present perfect or past perfect tense 与现在完成时或过去完成时连用) from a time in the past until a later past time , or until now 自…以后；从…以来◆ She's been off work since Tuesday . 星期二以来她一直没上班。◆ We've lived here since 2006 . 从 2006 年开始我们便住在这里。◆ I haven't eaten since breakfast . 早饭以后我还没吃过东西呢。◆ He's been working in a bank since leaving school . 他中学毕业以后一直在一家银行工作。◆ Since the party she had only spoken to him once . 那次聚会以后，她只和他说过一次话。◆ 'They've split up .' ' Since when ?' “他们分手了。” “什么时候的事儿？”◆ That was years ago . I've changed jobs since then . 那是多年以前的事了。自那以来我已经换过几个工作了。HELPUse for , not since , with a period of time .指一段时间用 for，不用 since◆ I've been learning English for five years . 我学英语已经五年了。◆ I've been learning English since five years .~when ?used when you are showing that you are angry about sth （表示气愤）何曾，什么时候◆ Since when did he ever listen to me ? 他什么时候听过我的话？🔑 sinceBrE /sɪns/ NAmE /sɪns/ conjunction 🔑 (used with the present perfect , past perfect or simple present tense in the main clause 与用现在完成时、过去完成时或一般现在时的主句连用) from an event in the past until a later past event , or until now 从…以后；自…以来◆ Cath hasn't phoned since she went to Berlin . 卡思自从去了柏林还没有打来过电话。◆ It was the first time I'd had visitors since I'd moved to London . 那是我搬到伦敦以后第一次有人来看我。◆ It's twenty years since I've seen her . 我已经二十年没见她了。◆ How long is it since we last went to the theatre ? 我们多久没去看戏了？◆ She had been worrying ever since the letter arrived . 自从接到那封信后她就一直焦虑不安。🔑 because ; as 因为；由于；既然◆ We thought that , since we were in the area , we'd stop by and see them . 我们想，既然到了这个地方，就该顺便去看看他们。🔑 sinceBrE /sɪns/ NAmE /sɪns/ adverb (used with the present perfect or past perfect tense 与现在完成时或过去完成时连用) 🔑 from a time in the past until a later past time , or until now 自…以后；从…以来◆ He left home two weeks ago and we haven't heard from him since . 他两周前离家外出，我们至今还没有他的音信。◆ The original building has long since (= long before now )been demolished . 原来的建筑老早就拆了。🔑 at a time after a particular time in the past 此后；后来◆ We were divorced two years ago and she has since remarried . 我们两年前离了婚，之后她又再婚了。 |
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