preposition [时间介词] 自…以后，自…以来；（表示气愤）何曾，什么时候
We've lived here since 1994. 自1994年以来我们一直住在这里。
conjunction [并列连词] 在…以后，自…以来；因为，由于，既然
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。
adverb [时间副词] 自…以后，自…以来；此后，后来
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。
- since 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 089&90 For sale since 介词: 自从
- Episode 2 The Blind Date ACT III since 连词: 自从...以来
- Lesson 28 No parking
- Lesson 59 In or out?
- Lesson 76 April Fools' Day
- Lesson 82 Monster or fish?
- Lesson 83 After the elections
- Lesson 93 A noble gift
- 网友用 “Since” 造句精选
- 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。
- He's been in exile in India since 1959. 他自1959年以来一直流亡印度。
- 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。
- 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。
- 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。
- 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。
- I haven't binged since 1986. 我从1986年以来从未放纵过自己。
- She's been off work since Tuesday. 星期二以来她一直没上班。
自从
since + 时间点
- She has been in Beijing since 2004.
since + n.
- She hasn't been out since the accident.