... roll down 释义：转下 roll memo 释义：卷纸记录单 roll over 释义：翻转(算) ...
权威例句
1.
Fears that the Egg Roll might be next on the chopping block increased when a memo circulated, claiming that the White House tradition might be canceled.
FORBES: As Squabbles Over Budget Continue, Annual White House Easter Egg Tradition Rolls On