那是我的错,所以对不起。
所以对不起,没有晚会。
我知道也许是难了解我的中文,所以对不起。
I know it may be difficult to understand my Chinese, so I'm sorry.
We don't usually do our chemistry calculations in miles per hour, so let's switch that to 42 meters per second, so it's -- sorry, it's 94 miles per hour.
在化学计算中我们很少,用英里每小时,所以我们把它换算为42米每秒,对不起,它是94英里每小时。
So I was out of work for eleven months,no, I'm sorry, eighteen months
所以,我有十一个月都没有工作,不,对不起,是十八个月,
V3 Here's the V4 over V3, V1 oops, sorry. V2 over V1, this is equal to the inverse of this.
所以就是这里的V4除以,哦,对不起,V2除以,它是它的倒数。
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