She has been in her room for hours .
她在自己的房间里待了几个小时。
From that hour a change seemed to come over him ..
他似乎有了改变。
The jovian day flashes in 10 hours .
术星的一天在十小时内便转瞬即逝。
She drew the interview out to over an hour .
她把会见拖长了一个小时。
I can walk at 4 miles an hour on the flat .
在平地上我每小时能走4哩。
Yes ， i was unconscious for half an hour .
是的，我失去知觉半个小时。
It takes me an hour to walk there and back .
我步行一个来回用一小时。
He died in the early hours of sunday morning .
他于星期日凌晨逝世。
Within hours things began to unravel .
在几个小时内，事情开始揭晓了。
The speed limit is 40 miles per hour .
规定的最高时速为每小时40英里。
