scratch-off

基本解释

Hewlett-Packard runs the computer system and found a cheap way to print the scratch-off labels.
Hewlett-Packard經營著這個計算機系統，竝且已經找到了一種廉價的方式印制粘貼標簽。
Three of her wins, all in two-year intervals, were by scratch-off tickets bought at the same mini mart in the town of Bishop.
其中三次大獎都剛好間隔兩年，都是一張她從同一個主教鎮小超市裡買來的刮刮樂彩票。
The scratch-and-win specialist marks the keys with printed codes and covers them with a special scratch-off layer (thermochromatic or other security inks could be used).
刮獎專家以印好的編碼作爲標記，竝在上麪覆蓋一層可以掛掉的特殊塗層（可以使用熱變色油墨或其他安全油墨）。

Under Mr Simons' scheme, which is being implemented in Nigeria and Ghana, a scratch-off panel on the packaging reveals a code which can be texted to a special number to verify that the drugs are genuine.
ECONOMIST: Beyond voice
But for customers who want something truly special, 3x1 will create a one-off trouser completely from scratch.
FORBES: Magazine Article
Scratch off those hard to find and expensive items like Wii gaming consoles and big flat-panel screens.
FORBES: Magazine Article

a small card that you can buy to try to win a prize, with a thin layer that you rub off in order to see if you have the winning numbers on it