Change of Hand Behind Back 背后换手 ; 背后换步
change hand cost 换手成本
Magnet can change hand preference 磁铁可改变用手习惯
automatic hand change 备份 ; 自动换手
She was counting out a dollar, mostly in small change, into my hand.
她数了一美元--大部分是钢蹦儿--递到了我手里。
With his door key in his hand, knowing Millie and the kids awaited him, he wouldn't change places with anyone.
手里拿着门钥匙,知道米莉和孩子们正等着自己,他决不会同任何人互换位置。
Do things on foot, change the tractor to a hand-held lawnmower, and open the garage door with your hand instead of the remote.
步行做事,把牵引机换成手推式割草机,用你的手而不是遥控器打开车库门。
As long as we understand that, we can do this cancellation and this says on the left-hand side the change in the quantity v square over 2 is a times the change in the quantity x.
只要我们明白这一点,我们就可以这样做简化,在等号左边,v^/2的变化量,为a乘以x的变化量
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