UC知道since about 1981,the time that the first IBM PC was introduced
来源：百度知道 编辑：UC知道 时间：2024/07/01 11:18:22
大约从1981年 也就是IBM公司第一台PC机诞生的时候
这整个作为时间状语 整个句子应该不止这些的
直到1981年，也就是第一台IBM牌的个人电脑介绍的那一年。
我觉得第一个的答案比较准确
不是啊,都一样啊!这是时间状语的句子啊!
Since your initial deposit was made on 5/19/2007 at about 3%
since about 1981,the time that the first IBM PC was introduced
Now there is no need to worry about the deadline since we are ahead of ___.
No one can recall any detail about the accident.It is at least twenty years since it____
~~~(在线,马上采纳)怎么理解Since ancient times men have been wanted to know more about the moon.
since用法
关于since
SINCE YOU BEEN GONE
every since的意思
ever since的用法