时间: 2025-04-24 15:14:51
美: [sɪns]
英: [sɪns]
conj. 因为;由于;既然;自…以来;自…以后
prep. 自…以来;自…以后
adv. 后来
最后更新时间:2025-04-24 15:14:51
词源分析:该词源自古英语“sīð”,意为“时间的经过”,与现代英语中的“sithe”有关,意为“时间”。
历史背景:首次使用可追溯至9世纪的古英语文献中,表明时间的起点或原因。
课本:
正式与非正式语境:
特殊场合:
同义词:
反义词:
通过以上分析,可以更全面地理解和运用“since”这个单词。
[PREP] You use since when you are mentioning a time or event in the past and indicating that a situation has continued from then until now. 自…以来; 从…以后
例:He's been in exile in India since 1959.他自1959年以来一直流亡印度。
例:She had a sort of breakdown some years ago, and since then she has been very shy.她几年前曾遭遇精神崩溃,从那以后她一直怯生生的。
[[ADV with v]] Since is also an adverb. 自那时起
例:They worked together in the 1960s, and have kept in contact ever since.他们在20世纪60年代曾一起工作,自那时起就一直保持着联系。
[CONJ] Since is also a conjunction. 自…以来
例:I've earned my own living since I was seven, doing all kinds of jobs.我自从7岁就自己谋生,做各种各样的工作。
[PREP] You use since to mention a time or event in the past when you are describing an event or situation that has happened after that time. 自…以来
例:The percentage increase in reported crime this year is the highest since the war.今年报道的犯罪增长率是该战争以来最高的。
[CONJ] Since is also a conjunction. 自…以来
例:So much has changed in the sport since I was a teenager.自我十几岁以来,该项运动发生了很大变化。
例:Since I have become a mother, the sound of children's voices has lost its charm.我当了母亲之后,孩子的声音就失去了魅力。
[[ADV with v]] When you are talking about an event or situation in the past, you use since to indicate that another event happened at some point later in time. 此后; 后来
例:About six thousand people were arrested, several hundred of whom have since been released.约六千人被逮捕,不过他们中有几百人后来被释放了。
[CONJ] You use since to introduce reasons or explanations. 由于; 既然
例:I'm forever on a diet, since I put on weight easily.我一直在节食,因为我的体重很容易增加。