She was staring down at her hands, twisting the ring on her finger.

她往下盯着自己的手，旋转着手指上的戒指。

《柯林斯英汉双解大词典》

Well, going bigger actually doesn’t increase performance and accuracy, and can actually slow the user down because the finger has to move a greater distance with each touch.

不得不说这也未必是好事，因为大过一定程度之后用户点击的精度不会提高，速度反而会下降，因为移动于各个按钮间的时候手指必须移动更大的距离。

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The polling officer didn't even raise her head. After dipping a plastic straw into a bottle of purple ink, she drew a blotchy line down the middle finger of my left hand.

选举官头也不抬，用塑料棒沾了紫色墨水就在我左手的中指上抹下一条污渍。

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The students were asked to write down five words they might say after hitting their finger with a hammer.

VOA: special.2009.08.18

He was motionless, all but for one finger that moved up and down in front of his face as if he were marking time with it.

他一动也不动，除了一根手指在他的面前上下摆动,好像在用它标记时间。

耶鲁公开课 - 1945年后的美国小说课程节选

I could take and draw a line continually down the molecule where my finger was touching; my finger would be touching a phosphate here, the 5' carbon, the 4' carbon, the 3' carbon, and the next phosphate.

我可以画一条这样的线,沿着这个分子不断向下延伸到我指的地方,我指的这一点代表着磷酸基,5' 碳部位,4'碳部位,3' 碳以及下一个磷酸基

耶鲁公开课 - 生物医学工程探索课程节选

Homer's crisscrossed tape led to a fabric glove he sewed with crisscrosses of ribbon down each finger.

NPR: School Bus Driver Wins NASA Contest

Even highlighting is easier and looks better in iBooks 2: It works in several colors, and rather than turning on highlighting first, readers simply hold down a finger and start dragging that finger along text to highlight.

WSJ: A Textbook Case of iPad Fun With Studying

There are a couple of related key features here: first we have the zoom bar in the album app -- you hold down your finger to prompt the bar, and then you can zoom in and out with your vertical scrolling action.

ENGADGET: Sony Ericsson Xperia X10 Mini / Mini Pro review