第三人称单数：rolls out 现在分词：rolling out 过去式：rolled out
1.滚出;动身,离开
2.伸出,展开
3.〈美〉起床
4.不及格被开除
5.朗诵;声音宏亮地唱
6.同“roll”
1.to introduce a new product or service
2.Same as roll
3.to make something that is wrapped around itself become flat
rolled outrolled outrolled out