saver是什么意思？

saver

例句

• Customizes your desktop display and screen saver. 自定义您的桌面显示和屏幕保护程序.
• My current screen saver has switched from EON to the default screen saver ( a blank screen ). 问:我屏幕保护由 EON 跳转到默认的屏幕保护程序了.
• These potatoes are sold ready sorted and washed, and can prove a great time-saver for the busy cook... 这些土豆卖时已拣好洗净，对于赶时间做饭的人来说能节省很多时间。