rollover

音标发音

If you visit the site, you can see that this rollover has some nice and soft animated transitions.
如果你访问这个网站，你可以看到这个翻转是非常好并且很流畅的动态过度。
If we create our own composite class that gives us access to the precise rendering of the icon, we should be able to achieve our desired rollover effect.
如果我们创建自己的能让我们访问图标的精确着色的合成类，那我们就应该能够实现我们所期望的翻转效果。
This makes it possible, for example, to try button rollover effects or enter text into a text area to try out its fonts, without ever leaving the designer.
这样，用户无需离开设计器就能试验鼠标翻转效果或是在文本域中输入文本时查看字体。

Warning: Congress calls this new provision the nonspouse rollover, although the normal "rollover" rules don't apply.
FORBES: Magazine Article
Debt-to-GDP hits a minimum in 2001, starts to climb and then begins to rollover in 2006.
FORBES: Childless Keynesians And The Future They Made
The Vengeance K95 also features full anti-ghosting, 20-key rollover, and a 1ms reporting rate.
ENGADGET: Corsair unleashes second gen Vengeance gaming peripherals at CES, goes fully mechanical with K95 keyboard

a situation in which a prize has not been won in a competition and is added to the prize offered in the next competition

In finance, a rollover is when a loan or other financial arrangement is extended, or when an investment is taken out of one fund or bank and put into another one of the same kind.
In a lottery draw, a rollover is a prize that includes the prize money from the previous draw, because nobody won it.