On the back of the hand he had the date and place of the battle tattooed in green ink.

他在那只手的手背上，用绿颜色刺上了那场战斗的日期和地点。

youdao

Since the system doesn’t have to calculate the relative positions of the fingers, palm and back of the hand on the fly, it can be extremely quick, claim the researchers.

研究人员声称，由于系统不需要对舞动中的手指、手掌和手背位置进行计算，因此处理的速度会极其迅速。

youdao

The arrangement and shapes of the patches was chosen so that the front and back of the hand would be distinct but also so that collisions of similar-colored patches would be rare.

块状布料的排列和形状是精心挑选的，所以手心和手背将能够完全分开，而且类似颜色的布块发生冲突的可能性将会很少。

youdao

One of the hands keeps a flat hand shape and it just kind of lightly moves back and forth as if it were a flickering image on a screen."

VOA: special.2011.04.13

On the back of the left hand she made out the post horn tattooed in old ink now beginning to blur and spread.

她发现老人的左手背上,刻有着译车号的刺青,不过已经变得模糊。

耶鲁公开课 - 1945年后的美国小说课程节选

It watched the back of his neck and hat for a minute, and then a hand came in and sat on his shoulder.

他从后面看了看,那个人的脖颈和帽子，然后将手伸进了车窗,搭在了他的肩上。

耶鲁公开课 - 1945年后的美国小说课程节选

He went off his left foot to the right and sent a back of the hand to Jones who was racing behind him and crashed over.

BBC: Newcastle 29-24 Dragons

The young Wales star fed replacement scrum-half Richie Rees and his sublime pass out of the back of the hand gave Halfpenny the space to race over behind the posts.

BBC: Cardiff Blues 50-12 Gloucester

Sexton, Kearney and Horgan all played their part, with Horgan's sublime reverse pass out of the back of his hand setting O'Driscoll free to race over in the corner for a cracking try.

BBC: Leinster 27-10 Brive