She cut her finger on a piece of glass.

一块玻璃把她的手指头划破了。

Even the modern approach, in which the subject's finger is rolled over a glass plate for scanning, often requires several attempts per finger to get a usable print.

甚至现代的方法(用这种方法扫描时，被测人员要在一块玻璃板上转动手指)，往往需要对每根指头采集多次，才能获得一个可用的指纹。

Even the slightest contact of your electron-rich finger with the screen's glass is enough to activate the capacitive sensing system below.

来自带电的手指表层最细微的接触也能激活屏幕下方的电容感应系统。

Full finger touch is needed on the screen, but the use of glass as the main material means that the screen's also very quick and easy to clean.

需要用整个手指进行触摸，但玻璃外层更容易清洁。

While few Cubans can afford that, dozens still gawked outside a tiny Havana electronics store, crowding every inch of its large glass windows and leaving finger and nose prints behind.

尽管此价格让绝大多数人望而却步，但哈瓦那一家小型的电子商店橱窗上数不清的手印和鼻印却证明了人们希望一睹电脑的热情。