Where his hands flat palm down on his knees or where his fingers gathered up?

他的手平放在膝盖上还是手指聚拢？

Russell's only this big, she said, holding her hand, palm down, two feet from the floor.

“拉赛尔只有这么大。”她说着，将手抬起约离地两英尺，掌心向下比划了一下。

Even if you make your thumbs line up, one hand is palm up and the other is palm down.

即使你将自己的拇指对齐，一只手掌心朝上，另一只掌心朝下。

He came to the stove and spread his hands palm down above the firebox.

。 他来到炉子前， 将手掌摊开在火箱上方。

Winterman, at the same moment, brought his palm down with a sudden crash on the pile of manuscript covering the desk.

温特曼同时把手掌朝桌上那堆手稿猛地一击。

With their hands placed palms down under a board, Longo's team gave the instruction to point to their knuckles and fingertips with a marker.

该团队将人们的手掌放在一块板子下，然后让他们用记号笔指向自己指关节和指尖。

" Summer" ! Bran shouted. " To me, Summer" ! He slapped an open palm down on the meat of his thigh. His hand tingled, though his dead leg felt nothing.

" 夏天！" 布兰高喊，" 到我这儿来，夏天！" 他伸出手掌朝大腿拍打。掌心打得麻痛、僵死的大腿却毫无知觉。

Scientists had volunteers place one hand, palm down, under a board. And they asked the subjects to guess, by pointing to the board with their other hand, where their hidden knuckles and fingertips lay.

科学家让志愿者们把一只手放在一块板下，手心向下，然后让他们用另一只手隔着板指出板下那只手的指关节和指尖的位置。